61.
The strength of an electric field at a given point is proportional to the potential difference on the plates and inversely proportional to the:
A. plate separation
B. negative plate only
C. field strength
D. charge difference
Answer & Explanation
Answer: Option A
Explanation:
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62.
How is ac current related to ac voltage in a purely capacitive circuit?
A. AC current is 0.707 of the ac voltage.
B. AC current lags ac voltage.
C. AC current is 0.637 of the ac voltage.
D. AC current leads ac voltage.
Answer & Explanation
Answer: Option D
Explanation:
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63.
What is the voltage across the capacitor?
A. 7.07 V
B. 1.11 V
C. 111 mV
D. 7.07 mV
Answer & Explanation
Answer: Option C
Explanation:
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64.
For a given charge difference, electrostatic field strength varies according to:
A. plate differential
B. plate area
C. plate distance
D. dielectric quantity
Answer & Explanation
Answer: Option B
Explanation:
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65.
A capacitor has 25 V across its plates and a stored charge of 1500 mu.gifC. What is the capacitance value?
A. 60 pF
B. 60 mu.gifF
C. 16.67 mF
D. 37.5 mF
Answer & Explanation
Answer: Option B
Explanation:
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