Electric Circuits Resistance of which material does not change with change in temperature? Tungsten. Platinum. Metal alloys constantan and manganin. Brass. Tungsten. Platinum. Metal alloys constantan and manganin. Brass. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Two resistor are said to be connected in parallel when both carry the same value of current. both have the same potential difference. total current equals the sum of branch currents. both ‘b’ and ‘c’ both carry the same value of current. both have the same potential difference. total current equals the sum of branch currents. both ‘b’ and ‘c’ ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The current in a chemical cell is a movement of positive hole charges. positive and negative ions. negative ions only. positive ions only. positive hole charges. positive and negative ions. negative ions only. positive ions only. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Under resonance condition the phase angle between voltage phase and current phase is 45° 0° 90° - 90° 45° 0° 90° - 90° ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the followings is the expression for energy stored in a capacitor? C / v. (1 / 2) Cv2. Cv. C dv / dt. C / v. (1 / 2) Cv2. Cv. C dv / dt. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The greater the internal resistance of a cell the lesser the terminal voltage. the lesser the emf. the greater the terminal voltage. the greater the emf. the lesser the terminal voltage. the lesser the emf. the greater the terminal voltage. the greater the emf. ANSWER DOWNLOAD EXAMIANS APP
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