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Electric Circuits

Electric Circuits
What will be the resistance if 10 resistors of 10 ohm each are connected in series?

 100 Ω.
 0.1 Ω.
 10 Ω.
 1 Ω.

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Electric Circuits
If conductance increases as temperature increases it is called as ..........

 negative co-efficient.
 positive co-efficient.
 both 1 and 2.
None of these

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Electric Circuits
By which of the following elements transients will not occur?

 C
 R
 L
All of these

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Electric Circuits
Time constant of RC series circuit is

 2RC
 2L/R
 L/R
 RC

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Electric Circuits
Internal resistance of ideal current source is

 finite
 100 ohms
 zero
 infinite

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Electric Circuits
A 230V, 50Hz voltage is applied to a coil having L = 5H and R = 2 Ohm in series with capacitance C. When the voltage across the coil is 400V, find the value of C?

 10.54 µF.
 4.78 µF.
 1.8 µF.
 8.51 µF.

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