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. R = r. None of these R > r. R < r. R = r. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 0.577. 0.5. 0.866. 1. 0.577. 0.5. 0.866. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is 1.27 A. 2.54 A. 5.08 A. 10.16 A. 1.27 A. 2.54 A. 5.08 A. 10.16 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Twelve 6 Ω resistor used as edge to form a cube. The resistance between two diagonally opposite corner of the cube is 5 / 6 Ω. 6 / 5 Ω. 6 Ω. 5 Ω. 5 / 6 Ω. 6 / 5 Ω. 6 Ω. 5 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If N is the number of nodes and b is the number of branches in a network, then rank of tie set matrix is b - N + 1. N - 1. N. b - N - 1. b - N + 1. N - 1. N. b - N - 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two electric bulbs have transparent filament of same thickness. It one of them gives 60 W and other gives 100 W, then- 60 W lamp filament has shorter length. 100 W lamp filament has longer length. 60 W and 100 W lamp filament have equal length. 60 W lamp filament has longer length. 60 W lamp filament has shorter length. 100 W lamp filament has longer length. 60 W and 100 W lamp filament have equal length. 60 W lamp filament has longer length. ANSWER DOWNLOAD EXAMIANS APP
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