Electric Circuits The capacitance of a parallel plate capacitor can be varied by All of these changing the distance between the plates only. changing the dielectric medium only. changing the overlapping area of the plates only. All of these changing the distance between the plates only. changing the dielectric medium only. changing the overlapping area of the plates only. 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 4 / 3 Ω. 6 Ω. 3 / 4 Ω. 3 / 2 Ω. 4 / 3 Ω. 6 Ω. 3 / 4 Ω. 3 / 2 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown in the figure the voltage across the 2 Ω resistor is 1 V. 4 V. 3 V. 2 V. 1 V. 4 V. 3 V. 2 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Three parallel resistive branches are connected across a DC supply. The ratio of the branch resistances are given as R1:R2:R3 :: 2:4:6. The ratio of the branch currents is 2:4:6. 6:4:2. 6:3:2. 2:3:6. 2:4:6. 6:4:2. 6:3:2. 2:3:6. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The energy stored by a capacitor is given by all of them. 1/2 QV. 1/2 CV2. Q2 / 2C. all of them. 1/2 QV. 1/2 CV2. Q2 / 2C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Pure metal generally have low conductivity and zero temperature coefficient. high conductivity and large temperature coefficient. high conductivity and low temperature coefficient. low conductivity and high temperature coefficient. low conductivity and zero temperature coefficient. high conductivity and large temperature coefficient. high conductivity and low temperature coefficient. low conductivity and high temperature coefficient. ANSWER DOWNLOAD EXAMIANS APP
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