Engine : Electricity - 54/1386
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| In testing a three-phase delta-connected winding for an open circuit using a ohmmeter, what must be done? |
| A) measure the voltage across the open connections while testing |
| B) test the windings as parallel groups to avoid short circuiting |
| C) if possible, open the delta-connections to avoid shunting the phase being tested |
| D) test each phase with all connections intact |
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