Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
A clamper | |
A. | adds a dc component to the input signal [Wrong Answer] |
B. | removes signal voltages above or below a specified value [Wrong Answer] |
C. | both (a) and (b) [Correct Answer] |
D. | either (a) or (b) [Wrong Answer] |
View Answer
Explanation:-
Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒ If a line having Z_{0} = 300 ∠ 0 W is short circuited at far end, VSWR is
0
1
∞
2
⇒ If f(t) is in volts, then F(jω) is in
volts
volt seconds
volts/sec
volt-sec^{2}
⇒ In a resistance strain gauge, G = 2, stress = 1050 kg/cm^{2}, R = 1000 Ω. The value of ΔR will be
2 Ω
3 Ω
4 Ω
1 Ω
⇒ When the emitter current of a transistor is changed by 1 mA, its collector current changes by 0.990 mA. The common-emitter short-circuit current gain is
1
199
99
9.9
⇒ Capacitance hats are installed on low frequency antenna is
increase the electrical length
reduce the electrical length
protect against lightening
protect against corona effects
⇒ Which of the following circuit has the greatest bandwidth?
f_{r} = 455 MHz; Q = 10
f_{r} = 455 MHz; Q = 100
f_{r} = 1 MHz; Q = 100
f_{r} = 1 MHz; Q = 10
⇒ Consider the following
1, 2 and 3
1 and 2 only
1 only
2 and 3 only
⇒ For the logic circuit of the given figure the simplified Boolean equa
Y = (A + B) (C + D) (E + F)
Y = A = B + C + D + E + F
ABCDEF
ABC + DEF
⇒ If B_{max} is the maximum flux density, hysteresis loss is proportional to
B_{max}
B^{1.6}_{max}
B^{2}_{max}
B^{3}_{max}
⇒
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true R is false
A is false R is true
⇒ Which of the following is a self-complementing code?
8421 code
Excess 3 codes
Pure binary code
Gray code
⇒ Current chopping leads to
over voltage
over current
both over voltage and over current
either over voltage or over current
⇒ If absolute potential of A is - 8 V and that of B is - 16 V, V_{AB} is equal to
24 V
8 V
- 8 V
- 24 V
⇒ Which binary addition is incorrect?
1101.1 + 1011.1 = 11001.0
101101 + 1101101 + 1100011
0.0011 + 0.1110 + 1.0001
1100.001 + 1011.011 = 10111.100
⇒ The drain characteristics of JFET are drawn between
V_{GS} and V_{DS} for different values of drain current
drain current and V_{GS} for different values of V_{DS}
drain current and V_{DS} for different values of V_{GS}
drain current and V_{GS }for one value of V_{DS}
⇒ The abbreviation DTL stands for
Digital Timing Logic
Diode Transistor Logic
Dynamic Transient Logic
Delayed Tracking Logic
⇒ If operator 'a' = 1 ∠120° then (1 + a) =
-a
-a^{2}
a
-1
⇒ The input impedance of short-circuited line of length l where l < λ/4
inductive
capacitive
resistive
none of the above
⇒ In VCR the luminance signal is recorded by
frequency modulation
phase modulation
amplitude modulation
direct recording
⇒ What will be minimum conversion rate in 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).
9000
9259
1000
1000
⇒ In a square law modulator, the carrier frequency should be __________ times than the highest modulating frequency.
1
2
4
3
⇒ The greatest negative number which can be stored is 8 bit computer using 2's complement arithmetic is
-256
-128
-255
-127
⇒ Which of the following characteristic are necessary for a sequential circuit?
1, 2, 3
1, 2
2, 3
1, 3
⇒ For most static RAM the maximum access time is about
1 ns
10 ns
100 ns
1 μs
⇒ NAND gates can be used to produce edge triggering.
TRUE
FALSE
⇒
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
⇒ A system is highly oscillatory if
gain margin is high
gain margin is close to 1
gain margin is close to 1 or phase margin is zero
gain margin is high and phase margin is 180°
⇒ A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is
100
99
1.01
0.99
⇒ According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when
the impedance of one of the networks is half that of the other
the impedance of one is the complex conjugate of the other
the impedance of one is equal to that of the other
none of the above
⇒ A capacitance transducer has two plates each of area 5 mm^{2}. The coil gap is 2 mm. Displacement sensitivity due to change in gap length is
11.1 pF/cm
44.2 pF/cm
52.3 pF/cm
66.3 pF/cm
⇒ If a line having Z_{0} = 300 ∠ 0 W is short circuited at far end, VSWR is
0
1
∞
2
⇒ If f(t) is in volts, then F(jω) is in
volts
volt seconds
volts/sec
volt-sec^{2}
⇒ In a resistance strain gauge, G = 2, stress = 1050 kg/cm^{2}, R = 1000 Ω. The value of ΔR will be
2 Ω
3 Ω
4 Ω
1 Ω
⇒ When the emitter current of a transistor is changed by 1 mA, its collector current changes by 0.990 mA. The common-emitter short-circuit current gain is
1
199
99
9.9
⇒ Capacitance hats are installed on low frequency antenna is
increase the electrical length
reduce the electrical length
protect against lightening
protect against corona effects
⇒ Which of the following circuit has the greatest bandwidth?
f_{r} = 455 MHz; Q = 10
f_{r} = 455 MHz; Q = 100
f_{r} = 1 MHz; Q = 100
f_{r} = 1 MHz; Q = 10
⇒ Consider the following
- A signal f(t) and its Hilbert transform f_{h}(t) have the same energy density spectrum
- A signal f(t) and its Hilbert transform, f_{h}(t) have the same auto correlation function
- A signal f(t) and its Hilbert transform are mutually orthogonal
1, 2 and 3
1 and 2 only
1 only
2 and 3 only
⇒ For the logic circuit of the given figure the simplified Boolean equa
Y = (A + B) (C + D) (E + F)
Y = A = B + C + D + E + F
ABCDEF
ABC + DEF
⇒ If B_{max} is the maximum flux density, hysteresis loss is proportional to
B_{max}
B^{1.6}_{max}
B^{2}_{max}
B^{3}_{max}
⇒
Assertion (A): When a wattmeter is used for low impedance loads, the pressure coil is connected across the load.
Reason (R): A wattmeter measures apparent power.
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true R is false
A is false R is true
⇒ Which of the following is a self-complementing code?
8421 code
Excess 3 codes
Pure binary code
Gray code
⇒ Current chopping leads to
over voltage
over current
both over voltage and over current
either over voltage or over current
⇒ If absolute potential of A is - 8 V and that of B is - 16 V, V_{AB} is equal to
24 V
8 V
- 8 V
- 24 V
⇒ Which binary addition is incorrect?
1101.1 + 1011.1 = 11001.0
101101 + 1101101 + 1100011
0.0011 + 0.1110 + 1.0001
1100.001 + 1011.011 = 10111.100
⇒ The drain characteristics of JFET are drawn between
V_{GS} and V_{DS} for different values of drain current
drain current and V_{GS} for different values of V_{DS}
drain current and V_{DS} for different values of V_{GS}
drain current and V_{GS }for one value of V_{DS}
⇒ The abbreviation DTL stands for
Digital Timing Logic
Diode Transistor Logic
Dynamic Transient Logic
Delayed Tracking Logic
⇒ If operator 'a' = 1 ∠120° then (1 + a) =
-a
-a^{2}
a
-1
⇒ The input impedance of short-circuited line of length l where l < λ/4
inductive
capacitive
resistive
none of the above
⇒ In VCR the luminance signal is recorded by
frequency modulation
phase modulation
amplitude modulation
direct recording
⇒ What will be minimum conversion rate in 6 bit dual slope A/D converter uses a reference of -6v and a 1 MHz clock. It uses a fixed count of 40 (101000).
9000
9259
1000
1000
⇒ In a square law modulator, the carrier frequency should be __________ times than the highest modulating frequency.
1
2
4
3
⇒ The greatest negative number which can be stored is 8 bit computer using 2's complement arithmetic is
-256
-128
-255
-127
⇒ Which of the following characteristic are necessary for a sequential circuit?
- It must have 6 gates
- It must have feedback
- Its output should depend on past value
1, 2, 3
1, 2
2, 3
1, 3
⇒ For most static RAM the maximum access time is about
1 ns
10 ns
100 ns
1 μs
⇒ NAND gates can be used to produce edge triggering.
TRUE
FALSE
⇒
Assertion (A): In TV scanning is done from left to right and top to bottom.
Reason (R): Interlaced scanning is useful in eliminating flicker
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is correct but R is wrong
A is wrong but R is correct
⇒ A system is highly oscillatory if
gain margin is high
gain margin is close to 1
gain margin is close to 1 or phase margin is zero
gain margin is high and phase margin is 180°
⇒ A transistor has a current gain of 0.99 in the CB mode. Its current gain in the CC mode is
100
99
1.01
0.99
⇒ According to maximum power transfer theorem, the maximum power is absorbed by one network from another network when
the impedance of one of the networks is half that of the other
the impedance of one is the complex conjugate of the other
the impedance of one is equal to that of the other
none of the above
⇒ A capacitance transducer has two plates each of area 5 mm^{2}. The coil gap is 2 mm. Displacement sensitivity due to change in gap length is
11.1 pF/cm
44.2 pF/cm
52.3 pF/cm
66.3 pF/cm