A transformer of 100 % efficiency has 200 turns in the primary and 40,000 turns in the secondary. It is connected to a 200 V a.c. mains and the secondary feeds to a `100 k Omega` resistance. Calculate the output potential difference per turn and the power delivered to the load.

The primary coil of a transformer has 200 turns and its secondary coil has 22,000 turns . It is connected to a 220 V AC source at the input and a resistance of 110 kOmega1 is connected across the output . What is the output potential difference per turn and power delivered to the load ?

A transformer has 50 turns in the primary and 100 in the secondary. If the primary is connected to a 220 V DC supply, what will be the voltage across the secondary?

A transformer has 100 turns in the primary and 500 turns in the secondary. If the primary is connected to 220V DC supply, then the voltage develop across the secondary will be

An ideal transformer has 100 turns in the primary and 250 turns in the secondary. The peak value of the ac is 28 V . The r.m.s. secondary voltage is nearest to

A transformer is having 2100 turns in primary and 4200 turns is secondary. An ac source of 120 V, 10 A is connected to its primary. The secondary voltage and current are

A transformer has 500 turns in the primary and 1000 turns in its secondary. The primary voltage is 200 V and load in secondary is 100 ohm. Calculate the current in primary assuming it to ideal transformer.