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 50 Ω and 200 Ω. 40 Ω and 40 Ω. 40 Ω and 200 Ω. 25 Ω and 5 Ω. 50 Ω and 200 Ω. 40 Ω and 40 Ω. 40 Ω and 200 Ω. 25 Ω and 5 Ω. 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. ( potential gradient )2. ( potential gradient )1/2. ( potential gradient )1/3. potential gradient. ( potential gradient )2. ( potential gradient )1/2. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits For the network shown below when I = 0, V = 20 V and when R = 0, I = 10 A. If now R = 3 Ω what is the value of the current I? 10 A. 5 A. 4 A. 6 A. 10 A. 5 A. 4 A. 6 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In series RLC circuit what is the power factor just above the resonance frequency? Lagging Unity Zero Leading Lagging Unity Zero Leading ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A positive and a negative charged conductor are initially 50 mm apart. When they are moved close together so that they are now only 10 mm apart, the force between them will be 5 times greater than before. 25 times larger than before. 10 times greater than before. 5 times smaller than before. 5 times greater than before. 25 times larger than before. 10 times greater than before. 5 times smaller than before. 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? BYR. RYB. YBR. RBY. BYR. RYB. YBR. RBY. ANSWER DOWNLOAD EXAMIANS APP
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