In the given figure the input frequency is such that R << Xc, then v0 lags vi by

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Question
In the given figure the input frequency is such that R << X_c, then
Options
A. v₀ lags v_i by 90�
B. v₀ leads v_i by 90�
C. v₀ and v_i are in phase
D. either (b) or (c)

Correct Answer

v₀ lags v_i by 90�

Explanation

Voltage across capacitor lags by 90�.

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Options
A. a solenoidal field
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D. none of these

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Options
A.
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C.
D.

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List I List II

A. bit 1. 10

B. nat 2. e

C. decit 3. 2
Options
A. A-1, B-2, C-3
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C. A-3, B-2, C-1
D. A-2, B-3, C-1

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Options
A. rectifier-chopper combination
B. controlled rectifier
C. ac regulator
D. rectifier-inverter combination

8. Which of the following cannot be the Fourier series expansion of a periodic signal?
Options
A. x(t) = 2 cos t + 3 cos 3t
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10. A thyristor has its gate current zero. To start conduction the forward voltage must exceed
Options
A. about 0.5 V
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C. on state voltage
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