Electric Circuits The rms value of the voltage U(t)= 3 + 4cos(3t) 5 V. 7 V. {3 + 2(1.141)} V. 4.123 V. 5 V. 7 V. {3 + 2(1.141)} V. 4.123 V. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In the circuit shown in the figure, the value of Vs is 0, when I = 4 A. The value of I, when Vs = 16 V, is 6 A. 12 A. 10 A. 8 A. 6 A. 12 A. 10 A. 8 A. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Power factor can be defined as cosine of angle between voltage and current. both option B and C. ratio of resistance versus impedance. sine of voltage and current. cosine of angle between voltage and current. both option B and C. ratio of resistance versus impedance. sine of voltage and current. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is f0 / 4. f0 / 2. still f0. 2f0. f0 / 4. f0 / 2. still f0. 2f0. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Twelve 6 Ω resistor used as edge to form a cube. The resistance between two diagonally opposite corner of the cube is 6 Ω. 5 Ω. 5 / 6 Ω. 6 / 5 Ω. 6 Ω. 5 Ω. 5 / 6 Ω. 6 / 5 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The resistivity of semi-conductors at room temperatures is 109 to 1012 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. 109 to 1012 ohm - cm. 1000 to 1500 ohm - cm. 0.01 to 50 ohm - cm. 1.6 × 106 to 100 × 106 ohm - cm. ANSWER DOWNLOAD EXAMIANS APP