Electric Circuits Whenever current is supplied by a source its terminal voltage increases exponentially. remains constant. decreases. increases. increases exponentially. remains constant. decreases. increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current through the 2 KΩ resistance ( rest resitances are all 1 ohm each ) in the circuit shown in diagram 2 mA. 0 mA. 1 mA. 6 mA. 2 mA. 0 mA. 1 mA. 6 mA. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect three in series. two in parallel. three in parallel. two in parallel and one in series. three in series. two in parallel. three in parallel. two in parallel and one in series. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to 72 AT / m. 222 AT / m. 144 AT / m. 196 AT / m. 72 AT / m. 222 AT / m. 144 AT / m. 196 AT / m. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits i) In star connection line current is equal to phase current. ii) In delta connection line voltage is equal to phase voltage. For a given phase connected to the particular line which of the statement is true ? Only (2). Only (1). None of these. Both (1) and (2). Only (2). Only (1). None of these. Both (1) and (2). 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. 2:3:6. 6:4:2. 6:3:2. 2:4:6. 2:3:6. 6:4:2. 6:3:2. ANSWER DOWNLOAD EXAMIANS APP
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