A long solenoid is formed by winding 70 turns cm -1. If 2.0 A current flows, then the magnetic field produced inside the solenoid is (μo=4 π × 10-7 TmA -1)

Question

A long solenoid is formed by winding 70 turns cm -1. If 2.0 A current flows, then the magnetic field produced inside the solenoid is (μo=4 π × 10-7 TmA -1) (A) 88 × 10-4 T (B) 1232 × 10-4 T (C) 352 × 10-4 T (D) 176 × 10-4 T

Tardigrade Admin · Accepted Answer

B =μ0 nI =4 π × 10-7 × 70 × 102 × 2 =56 π × 10-4 T =176 × 10-4 T

Q. A long solenoid is formed by winding $70$ turns $c m^{- 1}$ . If $2.0$ A current flows, then the magnetic field produced inside the solenoid is ______ $(μ_{o} = 4 π \times 1 0^{- 7} T m A^{- 1})$

$88 \times 1 0^{- 4} T$

$1232 \times 1 0^{- 4} T$

$352 \times 1 0^{- 4} T$

$176 \times 1 0^{- 4} T$

$B = μ_{0} n I$
$= 4 π \times 1 0^{- 7} \times 70 \times 1 0^{2} \times 2$
$= 56 π \times 1 0^{- 4} T$
$= 176 \times 1 0^{- 4} T$

Q. A long solenoid is formed by winding 70 turns cm−1. If 2.0 A current flows, then the magnetic field produced inside the solenoid is ______(μo​=4π×10−7TmA−1)

88×10−4T

1232×10−4T

352×10−4T

176×10−4T