Electric Circuits A capacitor having a capacitance of 40 μF is connected across 250 V DC source. The charging current will be least when capacitor is half charged. when capacitor is almost 25% charged. when capacitor is fully charged. initially. when capacitor is half charged. when capacitor is almost 25% charged. when capacitor is fully charged. initially. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In which of the circuits power factor can be zero? inductive. both ‘a’ and ‘b’ capacitive. resistive. inductive. both ‘a’ and ‘b’ capacitive. resistive. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In a delta network each element has value R. The value of each element in equivalent star network will be R / 3. R / 4. R / 2. R / 6. R / 3. R / 4. R / 2. R / 6. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits 200 resistors of 200 Ω each are connected in parallel. Their equivalent resistance will be 200 Ω. 400 Ω. 4 kΩ. 1 Ω. 200 Ω. 400 Ω. 4 kΩ. 1 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A cube of material of side 1 cm has a resistance of 0.002 Ω between its opposite faces. If the same volume of the material has a length of 4 cm and a uniform cross - section, the resistance of this length will be 0.016 Ω. 0.128 Ω. 0.032 Ω. 0.064 Ω. 0.016 Ω. 0.128 Ω. 0.032 Ω. 0.064 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The absolute charge of an electron is + 1.6 × 10-19 C. - 1.6 × 10-19 C. none of above. 1.6 × 10-19 C. + 1.6 × 10-19 C. - 1.6 × 10-19 C. none of above. 1.6 × 10-19 C. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS