Calculate the current drawn by the primary of a tarnsformer which steps down 200 V to 20 V to operate a device of resistance 20 ohm. Assume the efficiency of transformer to be 80 %

Calculate current drawn by the primary of a transformer, which steps down 200V to 20V to operate a device of resistance 20ohm. Assume the efficiency of the transformer to be 80%.

Calculate the current draws by the primary of a transformer, which stpeps down 200V to 20V to operate a device of resistance 20 ohm. Assume the efficiency of the transformer to be 80%.

Calculate current drawn by primary coil of a transformer, Which steps down 200 V to 20 V to operate a device of 20 ohm resistance. Assume efficiency of transformer 80 %.

Calculate current drawn by primary coil of a transformer, Which steps down 200 V to 20 V to operate a device of 20 ohm resistance. Assume efficiency of transformer 80 %.

How much current is drawn by the primary coil of a transformer which steps down 220 V to 22 V to operate device with an impedance of 220 ohm.