MCQOPTIONS
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| 1. |
In a particular circuit, a coil having a self- inductance of 2 H is required to carry a current of 4 A. A capacitor rated for 400 V is used across the coil in order to prevent sparking during breaking of the circuit. The value of capacitor needed is: |
| A. | 120 μF |
| B. | 100 μF |
| C. | 400 μF |
| D. | 200 μF |
| Answer» E. | |