Electric Circuits A current of 4 A flows in an ac circuit when 100 V dc is applied to it whereas it takes 250 v ac to produce the same current the power factor of the circuit is 10. 0.85. 1. 0.4. 10. 0.85. 1. 0.4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is b - N - 1. b - N + 1. N - 1. N. b - N - 1. b - N + 1. N - 1. N. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a capacitor, the electrical energy is stored in both ‘electric field’ and magnetic field’. none of above. magnetic field. electric field. both ‘electric field’ and magnetic field’. none of above. magnetic field. electric field. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? The power dissipation in each bulb is not same. None of these The voltage across each bulb is not same. The current through each bulb is same. The power dissipation in each bulb is not same. None of these The voltage across each bulb is not same. The current through each bulb is same. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Lowest current density is generally recommended for plating of bronze. silver. chromium. cadmium. bronze. silver. chromium. cadmium. 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. 30 mA. 100 mA. 300 mA. 3 A. 30 mA. 100 mA. 300 mA. ANSWER DOWNLOAD EXAMIANS APP
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