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Electric Circuits

Electric Circuits
A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation?

 1 W.
  64 W.
 5 W.
 10 W.

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Electric Circuits
Open circuit voltage of a fully charged lead acid cell is

 2.5 V.
 1.9 V.
 2.7 V.
 2 V.

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Electric Circuits
A dependent source can be

 both a voltage or a current source.
 neither a voltage nor a current source.
 a current source.
 a voltage source.

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Electric Circuits
There are two capacitors C1 and C2 in parallel , what will be their equivalent capacitance?

 C1C2.
 (C1 + C2) / C1C2.
 (C1C2) / C1 + C2.
 C1 + C2.

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Electric Circuits
Mica capacitor are characterised by all of following except

 stable operation.
 low leakage reactance.
 accurate value.
 low losses.

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Electric Circuits
Which of the following are typical resistance and power-dissipation values for a carbon-composition resistor?

 5000 ohms, 100W.
 1000000 ohms, 1 W.
 10000 ohms, 10 W.
 10 ohm, 50 W.

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