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. 2 M. M / 2. M / L. M. 2 M. M / 2. M / L. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is 7.2 k Ω. 2.4 k Ω. 3.6 k Ω. 1.2 k Ω. 7.2 k Ω. 2.4 k Ω. 3.6 k Ω. 1.2 k Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits You have to replace 1500 Ω resistor in radio. You have no 1500 Ω resistor but have several 1000 Ω ones which you would connect three in parallel. two in parallel. three in series. two in parallel and one in series. three in parallel. two in parallel. three in series. two in parallel and one in series. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The electrical conductivity of metal is typically of the order of (in ohm - m) 107. 10 - 6. 105. 10 - 4. 107. 10 - 6. 105. 10 - 4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 20 μF capacitor and 200 W, 220 V lamp is connected in series across a 220 V alternating supply. In which frequency of the supply the lamp will glow dimmest? 10 Hz. 1 Hz. 1000 Hz. 100 Hz. 10 Hz. 1 Hz. 1000 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the practical units of voltage and current wave each made 20 times as large as they are at present, what would be the consequent alternation in the size of the unit of capacitance? Nil. 20 times. 60 times. 200 times. Nil. 20 times. 60 times. 200 times. ANSWER DOWNLOAD EXAMIANS APP
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