Electric Circuits When resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of heater will increase. decrease. remain constant. none of these. increase. decrease. remain constant. none of these. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A 100 ohm resistor is directly connected across a 80 V battery. What is the power dissipation? 1 W. 10 W. 5 W. 64 W. 1 W. 10 W. 5 W. 64 W. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Power factor can be defined as sine of voltage and current. cosine of angle between voltage and current. ratio of resistance versus impedance. both option B and C. sine of voltage and current. cosine of angle between voltage and current. ratio of resistance versus impedance. both option B and C. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Five cells are connected in series in a row and then four such rows are connected in parallel to Feed the current to a resistive load of 1.25Ω. Each cell has an emf of 1.5 V with internal resistance Of 0.2Ω. The current through the load will be 5 A 23.33 A 1 A 3.33 A 5 A 23.33 A 1 A 3.33 A ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A piece of copper and another piece of germanium are cooled from room temperature to 80K. The resistance of copper increases and germanium decreases. each of them decreases. each of them increases. copper decreases and germanium increases. copper increases and germanium decreases. each of them decreases. each of them increases. copper decreases and germanium increases. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which quantity consists of a unit 1KWh ? Charge Energy Power Time Charge Energy Power Time ANSWER DOWNLOAD EXAMIANS APP
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