Electric Circuits The ratio of the resistance of a 200 W, 230 V lamp to that of a 100 W, 115 V lamp will be 2. 4. 0.25. 0.5. 2. 4. 0.25. 0.5. 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 3.6 k Ω. 1.2 k Ω. 2.4 k Ω. 7.2 k Ω. 3.6 k Ω. 1.2 k Ω. 2.4 k Ω. 7.2 k Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits An ac voltage source v = vo sinωt is connected across a parallel plate capacitor C. If the conductor current is ic and the displacement current is id, then which is true among following relation ic + id = 0. ic > id. ic < id. ic = id. ic + id = 0. ic > id. ic < id. ic = id. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For steady state current inductor acts as Current source Short circuit Open circuit Voltage source Current source Short circuit Open circuit Voltage source ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The capacitive reactance of an electric circuit is 50 Ohms. The frequency of supply becomes doubled. What is the new capacitive reactance? 200 Ohms. 50 Ohms. 25 Ohms. 100 Ohms. 200 Ohms. 50 Ohms. 25 Ohms. 100 Ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When power factor angle is constant, then shape of the current locus is triangle. circle. straight line. semi circle. triangle. circle. straight line. semi circle. ANSWER DOWNLOAD EXAMIANS APP