ELECTRIC CURRENT (BASIC)

Choose a symbol for electric charge

• C

• I

• A

• Q

Charge on one electron =...........

• • -1.6 * 10^-19

• • -1.6 * 10^19

• • 2.6 * 10^-19

• • -1.6 * 10^-18

How many electrons are there in two coulomb charge?

• 6.25 * 10 ^ 19

• 6.25 * 10 ^ 18

• 6.25 * 10 ^ -18

• (6.25 x 2) * 10 ^ 18

SI Unit for electric current is .........

• Coulomb

• Ampere

• volt

• joule

.......is the work done by unit charge to bring the charge from the infinity to given point in the conductor.

• electric current

• Electric potential

• potential difference

• volt

what is the mathematical expression for ohm's law?

• V= I R

• V = work / charge

• V = I

• NONE OF THESE

Voltmeter use to measure ..... and it is connected in ...... combination in electric circuit.

• electric current , series

• electric current , parallel

• voltage , parallel

• voltage , series

Ammeter use to measure ..... and it is connected in ...... combination in electric circuit.

• electric current , series

• electric current , parallel

• voltage , parallel

• voltage , series

what is mathematical expression for electric potential?

• V = W / Q

• V = I / Q

• V = Q R

• V = I R

Volt is the SI unit of ........

• ammeter

• electric current

• work

• electric potential