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A solenoid is connected to a battery so that a steady current flows through it. If an iron core is inserted into the solenoid, the current will (a) increase (b) decrease (c) remain same (d) first increase then decrease |
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Answer» A SOLENOID is connected to a battery so that a STEADY current flows through it. If an iron core is INSERTED into the solenoid, the current will DECREASE... |
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