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Electric Circuits

Electric Circuits
A coil with negligible resistance has 50 V across it with 10 mA. The inductive reactance is

 5000 ohms.
 1000 ohms.
 500 ohms.
 50 ohms.

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Electric Circuits
Which of the following is not equivalent to watts?

 Ampere-volts.
 Joules per second.
 Amperes/volt.
 Ampere2 – Ohm.

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Electric Circuits
The maximum current rating for a 10 k Ω, 0.5 W resistor is

 7.07 mA.
 14.14 mA.
 28.28 mA.
 0.707 mA.

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Electric Circuits
Given network is having N nodes and B branches, then number of twigs are

 N.
 B - N - 1.
 N - 1.
 B - N + 1.

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Electric Circuits
A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across R is

 24.4 V .
 40.8 V.
  30.6 V.
  50.8 V.

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Electric Circuits
In delta connected circuit when one resistor is open, then power will be

 reduced by the factor of 3.
 increased by factor of 3.
 0.
  remain unchanged.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electric Circuits

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