Question

The magnetic moment of a magnet of length 10 cm and pole strength 4.0 Am will be

• A. $0.4 \mathrm { Am } ^ { 2 }$
• B. $1.6 \mathrm { Am } ^ { 2 }$
• C. $20 \mathrm { Am } ^ { 2 }$
• D. $8.0 \mathrm { Am } ^ { 2 }$

Answer 1

Answer: (A)

$0.4 \mathrm { Am } ^ { 2 }$

Answer 2