In a hollow air solenoid coil if L = 4.4 10-3 H, if iron is insert inside the core where m = 2 10-3 w/A.m then L becomes O a. 7 H b. 2.210-6 H -C. 70 H d. No change
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In a hollow air solenoid coil if L = 4.4 10-3 H, if iron is insert inside the core where m = 2 10-3 w/A.m then L becomes O a. 7 H b. 2.210-6 H -C. 70 H d. No change
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