Electric Circuits In which braking back emf exceeds supply voltage? Dynamic. Plugging. Regenerative. None of these. Dynamic. Plugging. Regenerative. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The unit of resistivity is Ω / metre. Ω / m². Ω - metre. Ω. Ω / metre. Ω / m². Ω - metre. Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits To obtain wide bandwidth, network is designed with which of the following? Zero Q factor Unity Q factor Low Q factor High Q factor Zero Q factor Unity Q factor Low Q factor High Q factor ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Under resonance condition the power factor of a system is any of the above leading lagging unity any of the above leading lagging unity ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistor are said to be connected in parallel when both have the same potential difference. total current equals the sum of branch currents. both ‘b’ and ‘c’ both carry the same value of current. both have the same potential difference. total current equals the sum of branch currents. both ‘b’ and ‘c’ both carry the same value of current. 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 6 Ω. 3 / 2 Ω. 3 / 4 Ω. 4 / 3 Ω. 6 Ω. 3 / 2 Ω. 3 / 4 Ω. 4 / 3 Ω. ANSWER DOWNLOAD EXAMIANS APP
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