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Characteristic impedance of a coaxial cable is inversely proportional to ∈_{r}.  
A.  TRUE [Correct Answer] 
B.  FALSE [Wrong Answer] 
View Answer
Explanation:
Answer : A Discuss it below : !! OOPS Login [Click here] is required to post your answer/result 
Also Read Similar Questions Below :
⇒ In a network
the number of tree branches is always less than the number of links
the number of tree branches is always more than the number of links
the number of tree branches and links are always equal
the number of tree branches has no relation with the number of links
⇒
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
R is correct but A is wrong
⇒ Which one of the following statements is wrong. The radar crosssection of a target?
depends on frequency
may be reduced by special coating of nonspherical target
depends on the aspect of target if it is nonspherical
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⇒ D/A converters are generally
weighted resistor network
binary ladder network
either (a) or (b)
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⇒ The speeds used in recording audio programs in house hold recorders are
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⇒ The circuit shown in the figure, with R = 1/3 Ω, L = 1/4H, C = 3F has input voltage v(t) = sin2t. The resulting current i(t
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⇒ Some types of traps used in video IF amplifier of colour TV are
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⇒ Find V_{x} V_{y} V_{zVx = 6 Vy = 3 Vz = 3Vx = 6 Vy = 3 Vz = 1Vx = 6 Vy = 3 Vz = 3Vx = 6 Vy = 1 Vz = 3}
⇒ A cascade amplifier will have higher cut off frequency
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⇒ The number of variables in a function is odd and the number of minterms with even number of 0's are same as the number of minterms with odd number at 1's, the expression formed can be represented in __________ as well as __________ form.
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⇒ In cell communication, cell stands for
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⇒ The data of speed of train V and resistance to motion
6.7 + 0.0092 V^{2}
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⇒ The energy of constantamplitude complex valued exponential sequence is __________ (where A is the constant amplitude)
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⇒ The ending part of the popular teleserial Mahabharat will be beamed to the viewers
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⇒ If the openloop transfer function is a ratio of a numerator polynomial of degree 'm' and a denominator polynomial of degree 'n', then the integer (n  m) represents the number of:
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FFFF
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⇒ In a radio receiver, if the intermediate frequency is too high
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FALSE
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⇒ In mode filter of the given figure which of the following modes is unaffe
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Z_{11} = 6/_{11}Ω; Z_{21} =  16/_{11}Ω
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⇒ If V = 100 ∠ 16°, the (V) is
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⇒ If the number of information bits is m, the number of parity bits p in the Hamming code is given by equation
2^{p} = m + p + 1
2^{p} ≥ m + p + 1
2^{P} = m + p
2^{p} ≥ m + p
⇒ In a network
the number of tree branches is always less than the number of links
the number of tree branches is always more than the number of links
the number of tree branches and links are always equal
the number of tree branches has no relation with the number of links
⇒
Assertion (A): Industrial robots improve productivity.
Reason (R): Robots can handle monotonous and complex jobs without error in operation.
Both A and R are correct and R is correct explanation of A
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⇒ Which one of the following statements is wrong. The radar crosssection of a target?
depends on frequency
may be reduced by special coating of nonspherical target
depends on the aspect of target if it is nonspherical
is equal to actual crosssectional area for small targets
⇒ D/A converters are generally
weighted resistor network
binary ladder network
either (a) or (b)
neither (a) nor (b)
⇒ Which of the following opamp circuits has zero resistance in the feedback path?
Inverting amplifier
Summing amplifier
Source follower
Integrating amplifier
⇒ In Java which operator can be used even if there is a single operand
+

*
%
⇒ The speeds used in recording audio programs in house hold recorders are
38 cm/s and 9.5 cm/s
38 cm/s and 19 cm/s
9.5 cm/s and 4.75 cm/s
38 cm/s and 4.75 cm/s
⇒ The circuit shown in the figure, with R = 1/3 Ω, L = 1/4H, C = 3F has input voltage v(t) = sin2t. The resulting current i(t
5 sin (2t + 53.1°)
5 sin (2t  53.1°)
25 sin (2t + 53.1°)
25 sin (2t  53.1°)
⇒ Some types of traps used in video IF amplifier of colour TV are
shunt traps
series traps
absorption traps
all of the above
⇒ Find V_{x} V_{y} V_{zVx = 6 Vy = 3 Vz = 3Vx = 6 Vy = 3 Vz = 1Vx = 6 Vy = 3 Vz = 3Vx = 6 Vy = 1 Vz = 3}
⇒ A cascade amplifier will have higher cut off frequency
equal to that of single stage amplifier
less than that of single stage amplifier
more than that of single stage amplifier
none of these
⇒ The number of variables in a function is odd and the number of minterms with even number of 0's are same as the number of minterms with odd number at 1's, the expression formed can be represented in __________ as well as __________ form.
Ex  OR, NOR
Equivalence, Ex  OR
AND, Coincidence
OR, Ex  OR
⇒ In cell communication, cell stands for
Geographical Area
Battery
Location
No meaning
⇒ The data of speed of train V and resistance to motion
6.7 + 0.0092 V^{2}
3 + 0.001 V^{2}
3.2 + 0.0012 V^{2}
5.2 + 0.006 V^{2 }
⇒ The energy of constantamplitude complex valued exponential sequence is __________ (where A is the constant amplitude)
0
1
∞
A^{2}
⇒ The ending part of the popular teleserial Mahabharat will be beamed to the viewers
WESTAT
INSATIC
ARABSAT
INSATID
⇒ If the openloop transfer function is a ratio of a numerator polynomial of degree 'm' and a denominator polynomial of degree 'n', then the integer (n  m) represents the number of:
breakaway points
unstable poles
separate root loci
asymptotes
⇒ In the above case the hexadecimal notation for the last memory location is
0
FFFF
3FFF
5FFF
⇒ In a radio receiver, if the intermediate frequency is too high
Selectivity will be poor
Tracking difficulties will be least
Adjacent channel rejection will improve
All of the above will occur
⇒ Sparking affects amplitude modulation.
TRUE
FALSE
⇒ An increase of reverse voltage decreases the junction capacitance.
TRUE
FALSE
⇒ An ac circuit has two branches in parallel. The impedances of the two branches are equal. Their power factors are 0.8 lagging and 0.8 leading. The overall p.f. is
1
zero
about 0.7 lagging
about 0.7 leading
⇒ The forbidden energy gap between the valence band and conduction band will be least in case of
metals
semiconductors
insulators
all of the above
⇒
Assertion (A): A universal RLC bridge has a battery and also a high frequency ac source.
Reason (R): RLC bridge uses a Wienbridge arrangement for measuring capacitance.
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
⇒ Above ferroelectric curie temperature, spontaneous polarization in ferroelectric materials becomes stronger.
TRUE
FALSE
⇒ In mode filter of the given figure which of the following modes is unaffe
TE_{01}
TE_{10}
TE_{11}
all TM
⇒ The Z parameters Z_{11} and Z_{21} for the 2port network in the fig
Z_{11} =  6/_{11}Ω; Z_{21} = 16/_{11}Ω
Z_{11} = 6/_{11}Ω; Z_{21} = 4/_{11}Ω
Z_{11} = 6/_{11}Ω; Z_{21} =  16/_{11}Ω
Z_{11} = 4/_{11}Ω; Z_{21} = 4/_{11}Ω
⇒ In auxiliary commutated chopper, the charging and discharging time of capacitor
are constant
depend on load current
may be constant or may depend on load current
none of the above
⇒ If V = 100 ∠ 16°, the (V) is
10 ∠ 32°
10 ∠ 8°
10 ∠ 16°
10 ∠ 4°
⇒ If the number of information bits is m, the number of parity bits p in the Hamming code is given by equation
2^{p} = m + p + 1
2^{p} ≥ m + p + 1
2^{P} = m + p
2^{p} ≥ m + p