Electric Circuits A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is 2f0. f0 / 2. f0 / 4. still f0. 2f0. f0 / 2. f0 / 4. still f0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? None of these The power dissipation in each bulb is not same. The voltage across each bulb is not same. The current through each bulb is same. None of these The power dissipation in each bulb is not same. The voltage across each bulb is not same. The current through each bulb is same. 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. 5 times greater than before. 5 times smaller than before. 25 times larger than before. 10 times greater than before. 5 times greater than before. 5 times smaller than before. 25 times larger than before. 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 ? Both (1) and (2). Only (1). Only (2). None of these. Both (1) and (2). Only (1). Only (2). None of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In parallel RLC circuit under resonance condition the value of current is Maximum Minimum None of these Zero Maximum Minimum None of these Zero ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Condition of symmetry in ABCD parameter representation is A = D. AD - BC = 1. C = D. B = D. A = D. AD - BC = 1. C = D. B = D. ANSWER DOWNLOAD EXAMIANS APP