electricity

what is current

• voltage

• rate of flow of charges

• resistance

• rate of folow of electricity

symbol for current

• A

• V

• I

• R

S.I unit for current

• A

• I

• V

• R

instrument to measure current

• voltmeter

• resistor

• ammeter

• battery

which way does conventional current flow

• positive terminal to negative terminal of the cells

• negative terminal to positive terminal of the cells

what is voltage

• energy used per unit charge across the component

• energy used in lamp

• resistance

• me

symbol for voltage

• A

• I

• R

• v

S.I unit for voltage

• V

• R

• O

• K

instrument to measure voltage

• voltmeter

• ammeter

• resistor

• fuse

what is resistance

• resistdance

• current

• flow of electrons throughout the circuit

• obstacle against the flow of electrons in a circuit