Electric Circuits The value of unity impulse function at time (t) = 0 is indeterminate. 1. infinite. 0. indeterminate. 1. infinite. 0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A rectangular magnet of magnetic moment M is cut into two pieces of same length. The magnetic moment of each piece will be M / L. M. 2 M. M / 2. M / L. M. 2 M. M / 2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A external resistance R is connected to a cell of internal resistance r, then the current is maximum when R < r. None of these R = r. R > r. R < r. None of these R = r. R > r. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively the rms value of the voltage across the series combination is ______ V. 450 200 360 250 450 200 360 250 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is called a cycle in case of AC operation ? When an alternating quantity completes the (–)ve cycle, is called a cycle. When ac goes through a complete (+)ve to (-)ve, is called a cycle. When ac completes the (+)ve half, is called a cycle. Option A and C both. When an alternating quantity completes the (–)ve cycle, is called a cycle. When ac goes through a complete (+)ve to (-)ve, is called a cycle. When ac completes the (+)ve half, is called a cycle. Option A and C both. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be 8R Ω 4R Ω 2R Ω R Ω 8R Ω 4R Ω 2R Ω R Ω ANSWER DOWNLOAD EXAMIANS APP
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