Electric Circuits The value of supply voltage for 400 W, 4 Ω load is 200 V. 20 V. 40 V. 400 V. 200 V. 20 V. 40 V. 400 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is mean by flow of electrons? Semiconductor. Voltage. Electric current. Insulator. Semiconductor. Voltage. Electric current. Insulator. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is doubled. increase by two times. remain same. halved. doubled. increase by two times. remain same. halved. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is 10 N. 1000 N. 10000 N. 100 N. 10 N. 1000 N. 10000 N. 100 N. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A parallel plate capacitor contain there dielectric layers of 1, 2 and 3 respectively and thickness of dielectric layers are 0.2 mm, 0.3 mm and 0.4 mm respectively. If area of plate is 20 cm2. What is the value of capacitance? None of them. 30 pF. 32 pF. 36.6 pF. None of them. 30 pF. 32 pF. 36.6 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases? VL and Z. Z and I. VL and VR. VR and I. VL and Z. Z and I. VL and VR. VR and I. ANSWER DOWNLOAD EXAMIANS APP