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Electric Circuits

Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 0.75V, 5/6 Ohm
 1.5V, 1.5 Ohm
 0.75 V, 1.5 Ohm
 1.5V, 5/6 Ohm

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Electric Circuits
To reduce hysteresis loss, we use

 soft-iron.
 copper bars.
 laminated sheets.
 CRGO steel.

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

 C
All of these
 L
 R

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Electric Circuits
A circuit contains two unequal resistor in parallel

 voltage drops across both are same.
 currents in both are same.
 heat losses in both are same.
 voltage drops are according to their resistive value.

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Electric Circuits
In series RLC circuit to get Q>1, which of the following is required?

 XL = R
All of these
 XL > R
 XL < R

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Electric Circuits
A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is

 3.6 k Ω.
 2.4 k Ω.
 7.2 k Ω.
 1.2 k Ω.

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MORE MCQ ON Electric Circuits

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