Electric Circuits Which of following materials has the least resistivity ? Lead. Mercury. Zinc. Copper. Lead. Mercury. Zinc. Copper. ANSWER DOWNLOAD EXAMIANS APP
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 Which of the following is the heaviest? Atom. Electron. Molecule. Proton. Atom. Electron. Molecule. Proton. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage across the 1kΩ resistor between the nodes A and B of the network shown in the given figure is -2 V. -1 V. 2 V. 1 V. -2 V. -1 V. 2 V. 1 V. 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 A certain network consists of large number of ideal linear resistances, one of which is designated as R and two constant ideal source. The power consumed by R is P1 when only the first source is active and P2 when only second source is active. In both sources are active simultaneously then the power consumed by R is (P1 ± P2 )2. √P1 ± √P2. (√P1 ± √P2)2. P1 ± P2 . (P1 ± P2 )2. √P1 ± √P2. (√P1 ± √P2)2. P1 ± P2 . ANSWER DOWNLOAD EXAMIANS APP
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