If a 3.5 F capacitor has a potential difference of 9 V across it, then the charge on the capacitor will be
Correct answer: D. 31.5 C.
- A. 2.5 C.
- B. 5.5 C.
- C. 12.5 C.
- D. 31.5 C.
Explanation
The relationship between charge (Q), capacitance (C), and potential difference (V) across a capacitor is given by the formula:Q = C × VWhere: * Q = Charge in Coulombs (C) * C = Capacitance in Farads (F) * V = Potential difference in Volts (V)Given values from the question: * Capacitance (C) = 3.5 F * Potential difference (V) = 9 VSubstitute these values into the formula:Q = 3.5 F × 9 VQ = 31.5 CTherefore, the charge on the capacitor is 31.5 C.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Capacitors
Capacitors store electric charge and energy in an electric field between conductors. Work includes capacitance, the relation Q = CV, dielectric materials, charging and discharging, energy formulas, and combinations of capacitors in series and parallel. Electric potential difference is needed to understand why charge and stored energy change.
Practise Electrostatics
831 free Electrostatics MCQs from Physics, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Physics questions like this
Physics is on 16 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Capacitors questions
When two or more parallel plates capacitors are connected in parallel combination, then their equivalent capacitance will be equal to the
The purpose of the presence of a dielectric between the two plates of a capacitor is to
During a charging of a capacitor in an electrical circuit, the charges
If three capacitors of different capacitances are connected in series, then the quantity thatremains the same will be
Which of the following materials has no free charge?
The charging and discharging of a capacitor connected in an electric circuit depends on