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Electric Circuits

Electric Circuits
Active filter consists of

 op-amp.
 op-amp and capacitor.
 capacitor.
 inductor.

ANSWER DOWNLOAD EXAMIANS APP

Electric Circuits
A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star?

 25 % of the original load.
 50 % of the original load.
 66.66 % of the original load.
 33.33 % of the original load.

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Electric Circuits
In RLC series circuit if the Q factor is 1, then the damping of the system is

 Undamping
 Critical damping
 Over damping
 Under damping

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Electric Circuits
Emf induced in a coil rotating in a uniform magnetic field will be maximum when the

 rate of change of flux linkage is minimum.
 rate of change of flux linkage is maximum.
 flux linking with the coil is maximum.
 rate of cutting flux by coil sides is minimum.

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Electric Circuits
You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect

 three in parallel.
 three in series.
 two in parallel and one in series.
 two in parallel.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Electric Circuits

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