Electric Circuits A 10Ω resistor is stretched to increase its length double. Its resistance will now be 10 Ω. 5 Ω. 40 Ω. 20 Ω. 10 Ω. 5 Ω. 40 Ω. 20 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electric flux is proportional to potential difference between electrodes. resistivity of medium. rate of change of potential difference. rate of change of current. potential difference between electrodes. resistivity of medium. rate of change of potential difference. rate of change of current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A capacitor is connected to supply with switch and the switch is connected between capacitor and supply. Initially switch is open at time zero, and then switch is closed. Then how capacitor behaves at time t = 0+? short circuit. dielectric losses increases. dielectric losses decreases. open circuit. short circuit. dielectric losses increases. dielectric losses decreases. open circuit. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A variable capacitance is one whose capacitance can be changed manually or by mechanical force. changes with temperature. changes with voltage. changes with time. can be changed manually or by mechanical force. changes with temperature. changes with voltage. changes with time. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An equipotential surface is one which has all points at _____________ potential. zero. none of them. different. same. zero. none of them. different. same. 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 b - N - 1. N. N - 1. b - N + 1. b - N - 1. N. N - 1. b - N + 1. ANSWER DOWNLOAD EXAMIANS APP
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