Electric Circuits In which of the circuits power factor can be zero? both ‘a’ and ‘b’ inductive. capacitive. resistive. both ‘a’ and ‘b’ inductive. capacitive. resistive. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy stored by a capacitor is given by 1/2 QV. 1/2 CV2. all of them. Q2 / 2C. 1/2 QV. 1/2 CV2. all of them. Q2 / 2C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The mass of a neutron of atom is 1.672 × 10 - 26 Kg. 1.609 × 10 - 31 Kg. 1.675 × 10 - 27 Kg. 1.602 × 10 - 19 Kg. 1.672 × 10 - 26 Kg. 1.609 × 10 - 31 Kg. 1.675 × 10 - 27 Kg. 1.602 × 10 - 19 Kg. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A constant current source supplies a electric current of 300 mA to a load of 1 KΩ. When the load changed to 100 Ω, the load current will be 3 A. 300 mA. 100 mA. 30 mA. 3 A. 300 mA. 100 mA. 30 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is half charged. initially. when capacitor is almost 25% charged. when capacitor is fully charged. when capacitor is half charged. initially. when capacitor is almost 25% charged. when capacitor is fully charged. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following can not be connected in series unless they are identical? Resistance. Current source. Voltage source. Both of above. Resistance. Current source. Voltage source. Both of above. ANSWER DOWNLOAD EXAMIANS APP
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