Engineering-Mathematics
December 13, 2023Question 5633 – NIELIT Technical Assistant_2016_march
December 13, 2023Question 5626 – NIELIT Technical Assistant_2016_march
The turn ratio of a transformer is 20:1. If a load of 40 ohm is connected across the secondary. What will be the effective resistance seen looking into the primary ?
Correct Answer: D
800 ohm
4 k ohm
8 k ohm
16 k ohm
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