I dont get this question , can someone show me how to work it out. casue my teacher did not explain it very well in class!!
In a motor vehicle, a relay is used to switch the 12 V , 60 W headlight on and off.
The resistance of the relay coil is 150 ohms . Calculate the current in the relay coil when it is connected to a 12 V supply.
In a motor vehicle, a relay is used to switch the 12 V , 60 W headlight on and off.
The resistance of the relay coil is 150 ohms . Calculate the current in the relay coil when it is connected to a 12 V supply.