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. YBR. RBY. RYB. BYR. YBR. RBY. RYB. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits If the sheet of a backelite is inserted between the plates of an air capacitor, the capacitance will decrease. becomes zero. remains unchanged. increase. decrease. becomes zero. remains unchanged. increase. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The equation for 25 cycles current sine wave having rms value of 30 amps, will be 42.4sin25πt. 30sin50πt. 42.4sin50πt. 30sin25πt. 42.4sin25πt. 30sin50πt. 42.4sin50πt. 30sin25πt. 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 )1/2. ( potential gradient )2. potential gradient. ( potential gradient )1/3. ( potential gradient )1/2. ( potential gradient )2. potential gradient. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The electrical resistance of human body is around 5 ohms. 1000 ohms. 250 ohms. 25 ohms. 5 ohms. 1000 ohms. 250 ohms. 25 ohms. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The rms value of sinusoidal voltage wave V = 200sinω0t 100 V. 100√2 V. 200√2 V. 200 V. 100 V. 100√2 V. 200√2 V. 200 V. ANSWER DOWNLOAD EXAMIANS APP
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