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A capacitor is charged by a battery. When the capacitor is having air core, the charge on the plates is 70 μC When the same capacitor has mica core of dielectric 7, the charge on the plates is
  • a)
    10 μC
  • b)
    70 μC
  • c)
    700 μC
  • d)
    490 μC
Correct answer is option 'D'. Can you explain this answer?
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The charge on the plates of a capacitor is given by the formula:

Q = CV

where Q is the charge, C is the capacitance, and V is the voltage.

In this case, if the capacitor is charged by a battery, the voltage across the capacitor plates is equal to the battery voltage. Let's assume the battery voltage is V.

So, the charge on the plates would be:

Q = CV

Given that the charge on the plates is 70, we can write:

70 = C * V

However, without knowing the specific values of the capacitance (C) and the voltage (V), we cannot determine the individual values.
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A capacitor is charged by a battery. When the capacitor is having air core, the charge on the plates is 70 μC When the same capacitor has mica core of dielectric 7, the charge on the plates isa)10μCb)70 μCc)700 μCd)490 μCCorrect answer is option 'D'. Can you explain this answer?
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A capacitor is charged by a battery. When the capacitor is having air core, the charge on the plates is 70 μC When the same capacitor has mica core of dielectric 7, the charge on the plates isa)10μCb)70 μCc)700 μCd)490 μCCorrect answer is option 'D'. Can you explain this answer? for SSC 2024 is part of SSC preparation. The Question and answers have been prepared according to the SSC exam syllabus. Information about A capacitor is charged by a battery. When the capacitor is having air core, the charge on the plates is 70 μC When the same capacitor has mica core of dielectric 7, the charge on the plates isa)10μCb)70 μCc)700 μCd)490 μCCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for SSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A capacitor is charged by a battery. When the capacitor is having air core, the charge on the plates is 70 μC When the same capacitor has mica core of dielectric 7, the charge on the plates isa)10μCb)70 μCc)700 μCd)490 μCCorrect answer is option 'D'. Can you explain this answer?.
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