Electric Circuits Which of the following has least resistivity? Mercury. Lead. Aluminium. Copper. Mercury. Lead. Aluminium. Copper. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the resistance. 480 Ohms. 500 Ohms. 100 Ohms. 1000 Ohms. 480 Ohms. 500 Ohms. 100 Ohms. 1000 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits One ampere hour charge is equivalent to 36 coulombs. 360 coulombs. 36000 coulombs. 3600 coulombs. 36 coulombs. 360 coulombs. 36000 coulombs. 3600 coulombs. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If c1 = 8 μF, c2 = 4 μF, c3 = 7 μF c1, c2 are in series with c3 in parallel; effective capacitance will be 6 μF. 9.67 μF. 3 μF. 2.21 μF. 6 μF. 9.67 μF. 3 μF. 2.21 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If a function is shifted by 'T', then it is correctly represented as f (t) u (t-T). f (t-T) u (t). f (t) u (t). f (t-T) u (t-T). f (t) u (t-T). f (t-T) u (t). f (t) u (t). f (t-T) u (t-T). ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be 10 times greater than before. 25 times larger than before. 5 times greater than before. 5 times smaller than before. 10 times greater than before. 25 times larger than before. 5 times greater than before. 5 times smaller than before. ANSWER DOWNLOAD EXAMIANS APP
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