A 10 mA PMMC ammeter reads 4 mA in a circuit. Its bottom control spring snaps suddenly. The meter will now show __________
A. 10 mA
B. 8 mA
C. 2 mA
D. Zero
Answer:D
A 10 mA PMMC ammeter reads 4 mA in a circuit. Its bottom control spring snaps suddenly. The meter will now show __________
A. 10 mA B. 8 mA C. 2 mA D. Zero