Two circular coils made of similar wires but of radii 20 and 40 cm are connected in parallel. Find the ratio of the magnetic fields at their centres
Two circular coils made of similar wires but of radii 20 and 40 cm are connected in parallel. Find the ratio of the magnetic fields at their centres
Question ID - 153947 | SaraNextGen Top Answer
Two circular coils made of similar wires but of radii 20 and 40 cm are connected in parallel. Find the ratio of the magnetic fields at their centres
|
Two circular coils made of similar wires but of radii 20 and 40 cm are connected in parallel. Find the ratio of the magnetic fields at their centres |
1 Answer
127 votes
Answer Key / Explanation : (4) -
|
(4) When the coils are connected in parallel, the ratio of currents flowing in these coils will be equal to reciprocal of the ratio of their resistances
|
(as both the coils are made of similar wires)
127 votes
Answer Link
127