The coercivity of a magnet is 5 × 10³ ~A / m. The amount of current required to be passed in a solenoid of length 30 ~cm and the number of turns 150, so that the magnet gets demagnetised when inside the solenoid is _ _ _ _ A.

Magnetic Effects of Current and Magnetism: JEE Main 2024 Physics question

JEE Main 2024 · 8 Apr, Evening shift · Q67

JEE Main 20248 Apr, Evening shiftPhysicsMediumMagnetic Effects of Current and Magnetism165× since 2002

The coercivity of a magnet is

5 \times 10^3 \mathrm{~A} / \mathrm{m}

. The amount of current required to be passed in a solenoid of length

30 \mathrm{~cm}

and the number of turns 150, so that the magnet gets demagnetised when inside the solenoid is ________ A.

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2024 Magnetic Effects of Current and Magnetism Question with Answer (8 Apr Evening shift, Q67) | JEE Arc

JEE Main 2024 · 8 Apr, Evening shift · Q67

JEE Main 20248 Apr, Evening shiftPhysicsMediumMagnetic Effects of Current and Magnetism165× since 2002

The coercivity of a magnet is

5 \times 10^3 \mathrm{~A} / \mathrm{m}

. The amount of current required to be passed in a solenoid of length

30 \mathrm{~cm}

and the number of turns 150, so that the magnet gets demagnetised when inside the solenoid is ________ A.

Your answerType your answer. Integers and decimals are accepted.