Electric Circuits Four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true? The voltage across each bulb is not same. The current through each bulb is same. The power dissipation in each bulb is not same. None of these The voltage across each bulb is not same. The current through each bulb is same. The power dissipation in each bulb is not same. None of these ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system? YBR. RYB. RBY. BYR. YBR. RYB. RBY. BYR. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the peak value of a sine wave is 100 V, then its RMS value will be 100 V. 88 V. 70.7 V. 63.6 V. 100 V. 88 V. 70.7 V. 63.6 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If emf in a given circuit is given by e = 100 sinω0t, then maximum value of voltage and frequency will be 100 V, 100 Hz. 100√2 V, 100 Hz. 50√2 V, 100 Hz. 100 V, 50 Hz. 100 V, 100 Hz. 100√2 V, 100 Hz. 50√2 V, 100 Hz. 100 V, 50 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following are the passive elements? Both None of these. Bulb Resistor Both None of these. Bulb Resistor ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following is not equivalent to watts? Ampere-volts. Joules per second. Amperes/volt. Ampere2 – Ohm. Ampere-volts. Joules per second. Amperes/volt. Ampere2 – Ohm. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS