D w R
Posted: Mon May 16, 2022 4:05 pm
- D W R 1 (6.33 KiB) Viewed 29 times
a resistor, and a switch. The secondary winding is connected to an
ammeter. When the switch is closed, the ammeter shows?
A.
zero current
B.
a non-zero current for a brief instant
C.
a constant current
D w R