Electomotive Force Emf And Potentail Difference MCQ Tests
12th Class Physics MCQ Tests
Electomotive Force Emf And Potentail Difference
of 12th Class Physics has 5 questions. If you take an online MCQ test, the system will randomly choose the questions. If you want to take the quiz by chapter then click the start test button.
Total Questions: 5
Total Marks: 5
Time: 5 Mins
Total Questions: 5
Total Marks: 5
Time: 5 Mins
5Min : 00 Sec Remaining
Question # 1
Why the terminal potential difference of a battery decreases when the current drawn from it is increased?
Question # 2
From the following situations, when is it possible that the potential difference may get greater than the emf of a battery?
Question # 3
If E is emf of a battery, then what will be the potential drop across terminals if an external resistance R = r (r is internal resistance) is connected across it?
Question # 4
Why is it easier to start a car engine on a warm day than a cold day?
Question # 5
A car battery is of 12 volts. 8 simple cells connected in series can give 12 volts. Why such cells are not used in starting the car?
Total Questions
12345
Question # 1
Why the terminal potential difference of a battery decreases when the current drawn from it is increased?
Question # 2
From the following situations, when is it possible that the potential difference may get greater than the emf of a battery?
Question # 3
If E is emf of a battery, then what will be the potential drop across terminals if an external resistance R = r (r is internal resistance) is connected across it?
Question # 4
Why is it easier to start a car engine on a warm day than a cold day?
Question # 5
A car battery is of 12 volts. 8 simple cells connected in series can give 12 volts. Why such cells are not used in starting the car?
Total Questions
12345
Physics
12th Class Online Classes 2026
Updated on: 17-05-2026
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Punjab 12th Class Physics Electomotive Force Emf And Potentail Difference