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MDCAT - UHS Past Papers - Physics - Chap No 7 Quiz

Attempt 10 MCQs on MDCAT - UHS Past Papers - Physics - Chap No 7 | Quiz 3

21. Effect on capacitance if area is doubled and separation is halved?



22. 10V potential difference is applied across the plate of 1 μF capacitor what is the energy stored in capacitor



23. What is the charge stored on a 5μF capacitor applied to potential difference of 12V?



24. If the length, width and separation between the plates of a parallel plate capacitor is doubled then its capacitance becomes:



25. A capacitor is charged with a battery and energy stored is U. After disconnecting battery another capacitor of same capacity is connected in parallel to the first capacitor. Then energy stored in each capacitor is:



26. A capacitor of capacitance 'C' has a charge 'Q' and stored energy is 'w'. If the charge increases to '2Q'. The stored energy will be:



27. What do the substances whose resistance decreases with increase in temperature have?



28. To store the electric charge the ultra-capacitor use ....... effect.



29. A capacitor of capacitance 'C' has a charge 'Q' and stored energy is 'w'. If the charge is increased to '2Q'. The stored energy will be:



30. The SI unit of capacitance of a capacitor is:



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