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Electric Circuits

Electric Circuits
A current of 1 mA flows through a 1M ohm, 2 W carbon resistor. The power dissipated as heat in the resistor will be

 1 W.
None of these
 0.5 W.
 2 W.

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Electric Circuits
What will be the capacitance when distance between the 2 plates of a condenser of capacitance 8 micro farad is reduced from 10 mm to 4 mm?

 20 microfarad.
 3.2 microfarad.
 1 microfarad.
 8 microfarad.

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Electric Circuits
The time required for a pulse to change from 10 % to 90 % of its maximum value is known as

 decay time.
 run time.
 fall time.
 rise time.

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Electric Circuits
Nodal analysis can be applied for

 planar networks.
 non planar networks.
 both planar and non planar networks.
 neither planar and non planar networks.

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Electric Circuits
Two 1 kΩ, 1 W resistors are connected in series. Their combine resistance and wattage will be

 1 kΩ, 1 W.
 2 kΩ, 1 W.
 0.5 kΩ, 2 W.
 2 kΩ, 0.5 W.

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

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

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