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 The value of E within the field due to a point charge can be found with help of Coulombs law. Faradays law. Kirchhoffs law. Lenzs law. Coulombs law. Faradays law. Kirchhoffs law. Lenzs law. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a strip of copper of rectangular cross section is 2 Ω. A metal of resistivity twice that of a copper is coated on its upper surface to a thickness equal to that of copper strip. The resistance of composite strip will be 4 / 3 Ω. 3 / 4 Ω. 3 / 2 Ω. 6 Ω. 4 / 3 Ω. 3 / 4 Ω. 3 / 2 Ω. 6 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A dependent source can be neither a voltage nor a current source. a current source. both a voltage or a current source. a voltage source. neither a voltage nor a current source. a current source. both a voltage or a current source. a voltage source. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The terminals across the source are ___________ if a voltage source is to be neglected. replaced by a shunt resistance. replaced by a series resistance. short circuited. open circuited. replaced by a shunt resistance. replaced by a series resistance. short circuited. open circuited. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called the instantaneous value of an alternating current? The value of alternating frequency at any instant. The value of alternating quantity at any instant. The value of peak quantity at any instant. The value of peak current at any instant. The value of alternating frequency at any instant. The value of alternating quantity at any instant. The value of peak quantity at any instant. The value of peak current at any instant. ANSWER DOWNLOAD EXAMIANS APP
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