Electric Circuits Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be 10 µF 160 µF 40 µF 5 µF 10 µF 160 µF 40 µF 5 µF ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When AC flows through a pure capacitance then the current lags the emf by 90o. leads the emf by 90o. leads the emf by - 90o. is in phase with emf. lags the emf by 90o. leads the emf by 90o. leads the emf by - 90o. is in phase with emf. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Bulb in street lighting are connected in end of end. series parallel. parallel. series. end of end. series parallel. parallel. series. 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 increase if frequency of voltage source increases? VL and I. VL and VR. Z and I. VL and Z. VL and I. VL and VR. Z and I. VL and Z. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor has a capacitance of 6 μF. Calculate the stored energy in it if a DC voltage of 100 V, is applied across it? 2.5 × 102 joules. 3 × 102 joules. 4 × 102 joules. 6 × 102 joules. 2.5 × 102 joules. 3 × 102 joules. 4 × 102 joules. 6 × 102 joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called the frequency in AC operation? No. of (-) ve quadrature made per second. No. of wave made per second. No. of cycles made per second. No. of (+) ve quadrature made per second. No. of (-) ve quadrature made per second. No. of wave made per second. No. of cycles made per second. No. of (+) ve quadrature made per second. ANSWER DOWNLOAD EXAMIANS APP