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�.

More questions

3. Assertion (A): Inter-digitated geometry is widely used for microwave transistors.
Reason (R): Tuning at input and output of transistor uses MOS chip capacitors.
Options
A. Both A and R are correct and R is correct explanation of A
B. Both A and R are correct but R is not correct explanation of A
C. A is correct but R is wrong
D. A is wrong but R is correct

6. A line has Z₀ = 300 ? 0� ?. If Z_L = 150 ? 0� ?, reflection coefficient is
Options
A. 0.5
B. 0.3333
C. -0.3333
D. -0.5

8. In a single phase full wave ac regulator using two thyristors only, the gate circuits of the two thyristors
Options
A. must be isolated
B. may or may not be isolated
C. should be preferably, isolated
D. should not be isolated

9. In a ripple counter,
Options
A. whenever a flip flop sets to 1, the next higher FF toggles
B. whenever a flip flop sets to 0, the next higher FF remains unchanged
C. whenever a flip flop sets to 1, the next higher FF faces race condition
D. whenever a flip flop sets to 0, the next higher FF faces race condition

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