(Show Work please ^^) 1. Other than infinity, The electric field can be zero in

Question

(Show Work please ^^)

1. Other than infinity, The electric field can be zero in the region (a) To the left of -2.5 F C charge. (b)In between two charges (c) To the right of 6.0 F C (d) All of the above 1.00 m 6.00 AC 2.50 C 2. A uniform linear charge density +1 is bent into the shape shown. What is the direction of the electric field at point O. (a.) points up (b) points down (c points to the left (d). points to the right (e) None of the above 2R 3. Two point charges are 4 cm apart. They are moved to a new separation of 2 cm. By what factor does the resulting mutual force between them change? (a)The force increases by a factor 2 (b)The force decreases by a factor 1/2 (c)The force increases by a factor 4 (d The force decreases by a factor (e) None of the above 4. Electric field is dimensionally equivalent to which of the following? (a.) N-m/C (c) N.m2/C2 (d). N/C2 (b) N/C

Explanation / Answer

1) we need the two charges to cancel so it has to be closer the smaller one

and since opposite signs has to be outside the middle so a)

2) all + point out so left and right cancel

and net will be down

so b)

3)

F = k q Q/r^2
so halving r, will quadruple F

so c)

4) F = q E
so E = F/q = N/c
so b)

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