Electric Circuits An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 200 Ω. 40 Ω and 40 Ω. 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 200 Ω. 40 Ω and 40 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation? 5 W. 10 W. 64 W. 1 W. 5 W. 10 W. 64 W. 1 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If two point charges are denoted by + Q and - Q and distance between this charges is d, then the dipole moment P equal to Q × d. Q2 / d. Q2 × d. Q / d2. Q × d. Q2 / d. Q2 × d. Q / d2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the reactive power in AC operation? Apparent power × sinθ. Real power × cosθ. Apparent power × cosθ. Real power × sinθ. Apparent power × sinθ. Real power × cosθ. Apparent power × cosθ. Real power × sinθ. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Power factor can be defined as cosine of angle between voltage and current. sine of voltage and current. ratio of resistance versus impedance. both option B and C. cosine of angle between voltage and current. sine of voltage and current. ratio of resistance versus impedance. both option B and C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits One ampere hour charge is equivalent to 3600 coulombs. 360 coulombs. 36 coulombs. 36000 coulombs. 3600 coulombs. 360 coulombs. 36 coulombs. 36000 coulombs. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS