Electric Circuits A parallel plate capacitor with air as dielectric, force between plate is F. If capacitor is now immersed water of dielectric εr, force between plate will be – F. F εr. 0. εr/F. F. F εr. 0. εr/F. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistor are said to be connected in parallel when both have the same potential difference. both ‘b’ and ‘c’ both carry the same value of current. total current equals the sum of branch currents. both have the same potential difference. both ‘b’ and ‘c’ both carry the same value of current. total current equals the sum of branch currents. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits To obtain high efficiency, network is designed with which of the following? Zero Q factor Low Q factor High Q factor Unity Q factor Zero Q factor Low Q factor High Q factor Unity Q factor ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If N is the number of nodes and b is the number of branches in a network, then rank of cut set matrix is N - 1. b - N + 1. b - N - 1. N. N - 1. b - N + 1. b - N - 1. N. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is apparent power in AC operation? Product of voltage and current. Product of voltage and current at no load. Product of rms voltage and rms current. Product of voltage and current at full load. Product of voltage and current. Product of voltage and current at no load. Product of rms voltage and rms current. Product of voltage and current at full load. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 25 Ohms. 100 Ohms. 200 Ohms. 50 Ohms. 25 Ohms. 100 Ohms. 200 Ohms. 50 Ohms. ANSWER DOWNLOAD EXAMIANS APP
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