Electric Circuits For the resonance circuit ω0 = 105, Q = 50, R = 400 Ω the value of C is 250 pF. 500 pF. 1000 pF. 125 pF. 250 pF. 500 pF. 1000 pF. 125 pF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is Va in the below circuit? (3R + 10) / 3. (4R + 10) / 3. (6R + 10) / 3. (6R - 10) / 3. (3R + 10) / 3. (4R + 10) / 3. (6R + 10) / 3. (6R - 10) / 3. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Whenever current is supplied by a source its terminal voltage decreases. remains constant. increases. increases exponentially. decreases. remains constant. increases. increases exponentially. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is fully charged. when capacitor is almost 25% charged. when capacitor is half charged. initially. when capacitor is fully charged. when capacitor is almost 25% charged. when capacitor is half charged. initially. 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 When power factor angle is constant, then shape of the current locus is circle. straight line. triangle. semi circle. circle. straight line. triangle. semi circle. ANSWER DOWNLOAD EXAMIANS APP
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