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Which of the ...

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Which of the following represents voltage? workdone / (current x time) work done x charge (work done x time) / current work done x charge x time

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Question 9
Which of the following represents voltage?

(a) $\frac{W o r k d o n e}{C u r r e n t \times T i m e}$
(b) $W o r k d o n e \times C h a r g e$
(c) $W o r k d o n e \times \frac{T i m e}{C u r r e n t}$
(d) $W o r k d o n e \times C h a r g e \times T i m e$

Q. Question 9
Which of the following represents voltage?

(a)

\frac{W o r k d o n e}{C u r r e n t \times T i m e}

W o r k d o n e \times C h a r g e

W o r k d o n e \times \frac{T i m e}{C u r r e n t}

W o r k d o n e \times C h a r g e \times T i m e

Q. Work done = Force x _________

10^{- 9} C

moves from X to Z. Find the work done by the electric field due to the charge

Q = 2 C

in moving the charge from X to Z. The value of coulomb's constant is

9 \times 10^{9} N m^{2} C^{- 2}

.

Q. Two like charged, infinitely long parallel wires with linear charge density of

3 \times 10^{- 8}

C/cm are 2 cm apart. The work done against electrostatic force per unit length to be done in bringing them closer by 1 cm is

\frac{x}{10} J / m

. Find the integer closest to x. ___

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