12 volts 4 ohms a m To find the value of I, divide V by R, or in this case, I2 volts divided by 3 ohms. ... dividing V by I. If I and R, are known, then V is found by multiplying I by R. In the circuit diagram in m, the value of the amperage is not known.
|Title||:||South African Automotive Light Vehicle Level 1|
|Publisher||:||Jones & Bartlett Learning - 2012-12-28|