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Assertion (A): An ac amplifier uses coupling capacitors at input and output Reason (R): The capacitive reactance varies inversely with frequency. It is infinite for dc | |
A. | Both A and R are correct and R is correct explanation for A [Correct Answer] |
B. | Both A and R are correct but R is not correct explanation for A [Wrong Answer] |
C. | A is correct R is wrong [Wrong Answer] |
D. | A is wrong R is correct [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 :
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impedance Z
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TRUE
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K = 0.528
K = 2
K = 0
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1.11 and 2
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Uniform
Gaussian
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⇒
Assertion (A): Microprocesspr 8085 has six 8 bit registers B, C, D, E, H L.
Reason (R): B - C, D - E, H - L may be combined to form register pairs to hold 16 bits data.
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 R is wrong
A is wrong R is correct
⇒ Which of the following statements defines a full adder?
It adds two binary digits and produces their SUM and CARRY
It adds three inputs (two binary digits and a carry) and produces their SUM and CARRY
It has two inputs and two outputs
None of the above
⇒ A line has an attenuation of 0.054 Np/m. The attenuation in decibels is
4.7 dB/m
0.47 dB/m
0.54 dB/m
5.4 dB/m
⇒ Resistivity of copper is nearly
1.56 μ ohm-cm
3.95 μ ohm-cm
14.55 μ ohm-cm
22.05 μ ohm-cm
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Beat Frequency Oscillator
Broad Frequency Oscillator
Blocking Frequency Oscillator
Ballistic Frequency Oscillator
⇒ For holding the drain current constant in spite of large changes in JFET parameters
current source bias is used
voltage divider bias is used
reverse bias is used
no bias is used
⇒ In a superheterodyne broadcast receiver, the frequency of local oscillator is __________ the incoming signal frequency.
higher than
lower than
equal to
not comparable to