Electric Circuits If c1 = 8 μF, c2 = 4 μF, c3 = 7 μF c1, c2 are in series with c3 in parallel; effective capacitance will be 2.21 μF. 3 μF. 6 μF. 9.67 μF. 2.21 μF. 3 μF. 6 μF. 9.67 μF. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When 125 V is applied across a 250 V, 100 W filament incandescent bulbs, the power consumption is 50 W. 25 W. 12.5 W. 100 W. 50 W. 25 W. 12.5 W. 100 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The active and reactive power in an AC circuit are 10W and 20VAR respectively. What is the power factor? 0.5. 0.866. 0.577. 1. 0.5. 0.866. 0.577. 1. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a 3 - φ delta connection, two-wattmeter method is used to measure the power; if the two watt meters read 28.13 kW and 13.31 kW, the power factor of connection will be 0.4. 0.9. 0.6. 0.85. 0.4. 0.9. 0.6. 0.85. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will none of these. increase. remain constant. decrease. none of these. increase. remain constant. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electric field intensity ( E ) at any point in an electric field is equal to ( potential gradient )1/3. ( potential gradient )2. ( potential gradient )1/2. potential gradient. ( potential gradient )1/3. ( potential gradient )2. ( potential gradient )1/2. potential gradient. ANSWER DOWNLOAD EXAMIANS APP
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