# Answer on Electromagnetism Question for muhammad umar

Question #61347

1 In the circuit shown, each of the cells has an emf of 2V and internal resistance of

0.1Ω

. Find the current in through the

0.5Ω

a) 0.13A

b) 3.45A

c) 1.27A

d) 2.44A

2) Calculate the electric field everywhere outside of a very long rod, radius R and charged to a uniform linear charge density

λ

.

a) E⃗ =λπrϵ0r^

E→=λπrϵ0r^

b) E⃗ =λπϵ0ln1rr^

E→=λπϵ0ln1rr^

c) E⃗ =λ2πrϵ0r^

E→=λ2πrϵ0r^

d) E⃗ =λ2πϵ0ln1rr^

E→=λ2πϵ0ln1rr^

0.1Ω

. Find the current in through the

0.5Ω

a) 0.13A

b) 3.45A

c) 1.27A

d) 2.44A

2) Calculate the electric field everywhere outside of a very long rod, radius R and charged to a uniform linear charge density

λ

.

a) E⃗ =λπrϵ0r^

E→=λπrϵ0r^

b) E⃗ =λπϵ0ln1rr^

E→=λπϵ0ln1rr^

c) E⃗ =λ2πrϵ0r^

E→=λ2πrϵ0r^

d) E⃗ =λ2πϵ0ln1rr^

E→=λ2πϵ0ln1rr^

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