Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R = r. R > r. None of these R < r. R = r. R > r. None of these R < r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In given figure, the value of resistance R in Ω is 4.5 Ω 2.5 Ω 1 Ω 3.5 Ω 4.5 Ω 2.5 Ω 1 Ω 3.5 Ω 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 6:4:2. 2:4:6. 6:3:2. 2:3:6. 6:4:2. 2:4:6. 6:3:2. 2:3:6. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For closer tolerance which of the following capacitors is usually preferred? None of them. Ceramic disc capacitor. Paper capacitor. Mica capacitor. None of them. Ceramic disc capacitor. Paper capacitor. Mica capacitor. 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 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. 10 times greater than before. 25 times larger than before. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Internal resistance of ideal current source is 100 ohms infinite zero finite 100 ohms infinite zero finite ANSWER DOWNLOAD EXAMIANS APP
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