Electric Circuits An alternating voltage = 140 sinθ is supplied to a device which offers a resistance of 20 Ω in forward direction of current in reverse direction. Calculate the form factor. 0.57. 0.318. 1.11. 1.414. 0.57. 0.318. 1.11. 1.414. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will becomes zero. increase. remains unchanged. decrease. becomes zero. increase. remains unchanged. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two point charges of 4μC are placed at a distance of 3 cm apart from each other in free space. Force acting on two charges will be 0.02 N 400 N 160 N 100 N 0.02 N 400 N 160 N 100 N ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Whenever current is supplied by a source its terminal voltage remains constant. increases. increases exponentially. decreases. remains constant. increases. increases exponentially. decreases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For occurrence of resonance which of the following elements are required? L R C Both 2 and 3 L R C Both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Flux in a magnetic circuit can be compared in an electric circuit to voltage. resistance. inductance. current. voltage. resistance. inductance. current. ANSWER DOWNLOAD EXAMIANS APP
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