Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R = r. R < r. R > r. None of these R = r. R < r. R > r. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Can a 250 V, 5 A single way switch be used in place of a 250 V, 15 A Switch? No. Single way switch doesn exist. Single way switch doesn operate at such current ratings. Yes. No. Single way switch doesn exist. Single way switch doesn operate at such current ratings. Yes. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called a cycle in case of AC operation ? Option A and C both. When an alternating quantity completes the (–)ve cycle, is called a cycle. When ac completes the (+)ve half, is called a cycle. When ac goes through a complete (+)ve to (-)ve, is called a cycle. Option A and C both. When an alternating quantity completes the (–)ve cycle, is called a cycle. When ac completes the (+)ve half, is called a cycle. When ac goes through a complete (+)ve to (-)ve, is called a cycle. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The linear circuit element is capacitor. resistor. inductor. all of above. capacitor. resistor. inductor. all of above. 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. 6 × 102 joules. 3 × 102 joules. 4 × 102 joules. 2.5 × 102 joules. 6 × 102 joules. 3 × 102 joules. 4 × 102 joules. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The power dissipated in a pure capacitor is proportional to the value of capacitance. both (B) and (C) above. proportional to applied voltage. zero. proportional to the value of capacitance. both (B) and (C) above. proportional to applied voltage. zero. ANSWER DOWNLOAD EXAMIANS APP
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