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. none of these. remain constant. decrease. increase. none of these. remain constant. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits In above question, if circuit efficiency is 90 %. What will be output power ? 30 kW. 37.3 kW. 35.6 kW. 40 kW. 30 kW. 37.3 kW. 35.6 kW. 40 kW. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A series circuit consists of R = 20 Ω, L = 20 mH, and AC supply 60 V with f = 100 Hz. The phase angle of current in respect of supply voltage will be 40.4o. 20.2o. 28.8o. 32.1o. 40.4o. 20.2o. 28.8o. 32.1o. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits A coil of negligible resistance has an induction of 100 mH. The current passing through the coil changes from 2 A to 4 A at a uniform rate in 0.1 sec the voltage across the coil during this time would be __________ V. 8 50 36 2 8 50 36 2 ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Which of the following may be value of resistivity of copper? 1.7 X 10 - 3. 1.7 X 10 - 6. 1.7 X 10 - 5. 1.7 X 10 - 4. 1.7 X 10 - 3. 1.7 X 10 - 6. 1.7 X 10 - 5. 1.7 X 10 - 4. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Electrolyte for silver plating is potassium nitrate solution. double cyanide of silver and potassium solution. dilute sulphuric acid. any of above. potassium nitrate solution. double cyanide of silver and potassium solution. dilute sulphuric acid. any of above. ANSWER DOWNLOAD EXAMIANS APP
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