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Electric Circuits

Electric Circuits
Magnetic flux has the unit of

 Newton
 Weber
 Ampere turn
  Tesla

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Electric Circuits
A ceramic and a mica capacitor have the same physical dimension. Which has the higher value of capacitance?

 Both have identical value of capacitor.
 Mica capacitor.
  It is impossible to conclude on the basis of information supplied.
 Ceramic capacitor.

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Electric Circuits
If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will

 increase.
 becomes zero.
 decrease.
 remains unchanged.

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Electric Circuits
The rms value of sine wave is 100 A. Its peak value is

 150 A.
 141.4 A.
 282.8 A.
 70.7 A.

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Electric Circuits
Three 3Ω resistors are connected to form a triangle. What is the resistance between any two of the corner?

 9 Ω.
 3 Ω.
  2 Ω.
 6 Ω.

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

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MORE MCQ ON Electric Circuits

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