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Q1. | Class C operation finds application in |

A. | RF power amplifiers [Wrong Answer] |

B. | frequency multipliers [Wrong Answer] |

C. | both (a) and (b) [Correct Answer] |

D. | neither (a) nor (b) [Wrong Answer] |

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Explanation:-
Answer : CDiscuss it below :!! OOPS Login [Click here] is required to post your answer/resultHelp other students, write article, leave your comments |

**Also Read Similar Questions Below :**

⇒ A capacitor can be represented by a capacitance C in parallel with a resistance R. For a good capacitor, the resistance R should be

very high

high

very low

low

⇒ Consider the following

only statement 1 is correct

only statement 2 is correct

both statements are correct

both the statements 1 and 2 are not correct

⇒ An instruction using immediate addressing mode in 8085 is

2 bytes long

3 bytes long

2 or 3 bytes long

1 or 2 or 3 bytes long

⇒ For circuit in figure, which combination of V

_{TH}and R

_{TH}represents the circuit as seen from

*ab<*

1 V, 10 Ω

1 V, 1000 Ω

1 mV, 1000 Ω

1 mV, 10 Ω

1 V, 10 Ω

1 V, 1000 Ω

1 mV, 1000 Ω

1 mV, 10 Ω

⇒ In a tape recorder

both record and erase heads have high permeability core

the record head has high permeability core but the erase head has low permeability core

the record head has low permeability core but the erase head has high permeability core

both record and erase heads have low permeability core

⇒ The minimum decimal equivalent of the number 11C0 is

183

194

268

269

⇒ If A = 7 ∠15, A

49 ∠225°

49 ∠30°

49 ∠15°

49 ∠7.5°

⇒ If E is energy level of electron and E

all quantum states with E less than E

all quantum states with E less than E

some quantum states with E less than E

none of the above

⇒ The primary constants of a transmission line are

R and L

R, L and C

R and C

R, L, G and C

⇒ Typical values of current gains for CE, CB and CC amplifiers are

120, 120 and 1 respectively

120, 1 and 120 respectively

1, 120 and 120 respectively

1, 1 and 120 respectively

⇒ Thevenin's theorem is used to find current in a branch of a network. It is now desired to find current in another branch of the network

the same Thevenin's circuit can be used

the same Thevenin's circuit with some modification can be used

it is necessary to find new Thevenin's circuit

either (b) or (c)

⇒ Binary number 101101 when converted to its 2's complement will become

101.01

100.1

100.1

101.1

⇒ Which of the following is not a valid variable name in C?

1

⇒ Maximum power transfer theorem is applicable to circuits with one source only.

TRUE

FALSE

⇒ In an AM system, doubling of modulation index doubles the antenna current. The system is

single side band full carrier

vestigial side band

single side band suppressed carrier

double side band full carrier

⇒ Determine the correctness or otherwise of the following Assertion [a] and the Reason

Both [a] and [r] are true and [r] is the correct reason for [a]

Both [a] and [r] are true but [r] is not the correct reason for [a]

Both [a] and [r] are false

Both [a] and [r] are true

⇒ Nichrome is used in

heater coils

underground cables

overheated wires

lamp filament

⇒ Donor energy level is

TRUE

FALSE

⇒ In a class C amplifier, full cycle conductor of the current is achieved by employing

tuned circuit

transformers

complementary pair

Push pull configuration

⇒ In the expression A + BC, the total number of minterms will be

2

3

4

5

⇒ If

⇒ The dc output voltage from a power supply

increases with higher values of filter capacitance and decreases with more load current

decreases with higher values of filter capacitance and increases with more load current

decreases with higher values of filter capacitance as well as with more load current

increases with higher values of filter capacitance as well as with more load current

⇒ The signal cos ω

FM only

AM only

both AM & FM

neither AM nor FM

⇒ The dual of quantity charge is

current

Voltage

flux

⇒ If initial value of

X + Y

XY

X / Y

X - Y

⇒ Magnetic amplifier is used for

voltage amplification

power amplification

current amplification

frequency amplification

⇒ For the port shown, the short circuit network function at port 2 is give

4

⇒ The factors which govern fan out of CMOS gates are

maximum permissible propagation delay

input capacitance of each load

both (a) and (b)

neither (a) nor (b)

⇒ In the given figure shows a periodic triangular wave. The Fourier series will

all cosine terms

all sine terms

odd cosine terms

odd sine terms

⇒ Adder is a combinational logic circuit.

TRUE

FALSE

⇒ In a tape recorder

both record and erase heads have high permeability core

the record head has high permeability core but the erase head has low permeability core

the record head has low permeability core but the erase head has high permeability core

both record and erase heads have low permeability core

⇒ The minimum decimal equivalent of the number 11C0 is

183

194

268

269

⇒ If A = 7 ∠15, A

^{2}is49 ∠225°

49 ∠30°

49 ∠15°

49 ∠7.5°

⇒ If E is energy level of electron and E

_{F}is Fermi level, thenall quantum states with E less than E

_{F}will be occupied at T = 0all quantum states with E less than E

_{F}will be empty at T = 0some quantum states with E less than E

_{F}will be occupied at T = 0none of the above

⇒ The primary constants of a transmission line are

R and L

R, L and C

R and C

R, L, G and C

⇒ Typical values of current gains for CE, CB and CC amplifiers are

120, 120 and 1 respectively

120, 1 and 120 respectively

1, 120 and 120 respectively

1, 1 and 120 respectively

⇒ Thevenin's theorem is used to find current in a branch of a network. It is now desired to find current in another branch of the network

the same Thevenin's circuit can be used

the same Thevenin's circuit with some modification can be used

it is necessary to find new Thevenin's circuit

either (b) or (c)

⇒ Binary number 101101 when converted to its 2's complement will become

101.01

100.1

100.1

101.1

⇒ Which of the following is not a valid variable name in C?

1

*a**a*1 2*a b*123*a b c*123⇒ Maximum power transfer theorem is applicable to circuits with one source only.

TRUE

FALSE

⇒ In an AM system, doubling of modulation index doubles the antenna current. The system is

single side band full carrier

vestigial side band

single side band suppressed carrier

double side band full carrier

⇒ Determine the correctness or otherwise of the following Assertion [a] and the Reason

Both [a] and [r] are true and [r] is the correct reason for [a]

Both [a] and [r] are true but [r] is not the correct reason for [a]

Both [a] and [r] are false

Both [a] and [r] are true

⇒ Nichrome is used in

heater coils

underground cables

overheated wires

lamp filament

⇒ Donor energy level is

*n*type semiconductor is very near valence band.TRUE

FALSE

⇒ In a class C amplifier, full cycle conductor of the current is achieved by employing

tuned circuit

transformers

complementary pair

Push pull configuration

⇒ In the expression A + BC, the total number of minterms will be

2

3

4

5

⇒ If

*x*_{1}(*t*) = 2 sin p*t*+ cos 4 p*t*and*x*_{2}(*t*) = sin 5 p*t*+ 3 sin 13 p*t*then*x*_{1},*x*_{2}both periodic*x*_{1}*x*_{2}both not periodic*x*_{1}periodic,*x*_{2}not periodic*x*_{1}is not periodic ; but*x*_{2}is periodic⇒ The dc output voltage from a power supply

increases with higher values of filter capacitance and decreases with more load current

decreases with higher values of filter capacitance and increases with more load current

decreases with higher values of filter capacitance as well as with more load current

increases with higher values of filter capacitance as well as with more load current

⇒ The signal cos ω

*+ 0.5 cos ω*_{c}t*sin ω*_{m}t*is*_{c}tFM only

AM only

both AM & FM

neither AM nor FM

⇒ The dual of quantity charge is

current

Voltage

flux

*d*Φ/*dt*⇒ If initial value of

`PROD`

is zero and a program adds X to `PROD`

, Y times we get the resultX + Y

XY

X / Y

X - Y

⇒ Magnetic amplifier is used for

voltage amplification

power amplification

current amplification

frequency amplification

⇒ For the port shown, the short circuit network function at port 2 is give

*s*+ 1/4*s*+ 44

*s*+ 1*s*+ 16⇒ The factors which govern fan out of CMOS gates are

maximum permissible propagation delay

input capacitance of each load

both (a) and (b)

neither (a) nor (b)

⇒ In the given figure shows a periodic triangular wave. The Fourier series will

all cosine terms

all sine terms

odd cosine terms

odd sine terms

⇒ Adder is a combinational logic circuit.

TRUE

FALSE