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MDCAT - DUHS Past Papers - Physics - Chap No 8 Quiz

Attempt 10 MCQs on MDCAT - DUHS Past Papers - Physics - Chap No 8 | Quiz 1

1. The ohm's law is applicable if:



2. Which of the following refers to the DC current that does not change its intensity?



3. The SI unit of electric charge:



4. Resistors of 5Ω and 10Ω are connected in parallel. If the potential difference across 5Ω resistor is 20V, then current through 10Ω will be:



5. A conducting wire of resistivity ρ is cut into two equal parts. The resistivity of each part will be:



6. Four cells of emf 3V are connected in series to form a battery. Net emf of the combination is:



7. The electrical energy dissipated as heat in a resistor is:



8. When different resistors are connected across the terminal of a battery:



9. A soft cylindrical conducting wire has resistance R. It is stretched so its length is doubled but its radius remains constant. What is the new resistance?



10. The internal resistance of a battery is:



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