Monthly quiz (March 2024) G9

Calculate the e.m.f between the tow terminals if you know that the e.m.f of the one cell eqial 1.5 V

• 1.5 V

• 4.5 V

• 3 V

• 7 V

By increasingt the length of the metallic wire coil, the current intensity .......................................

• Increases

• Doesn't chenge

• dicreases

• Doubled

Ameter is connected .................................................. to the battery

• directly paralled

• indirictly paralleled

• dirictly series

• indirictly series

If the work done through a condutor decreases to half, and the quantity of charge remains constant.

So, the potential difference becomes ........................................

• Constant

• decreases to half

• Increases to double

• Decreases to quarter

Voltmeter is connected to the dry cell on the ........................ circuit to measure ...............................

• Open / Potential difference

• Closed / Potential difference

• Opened / Electromotive force

• Closed / Electromotive force

The measuring unit of the electric resistance is .....................................

• Volt

• Ampere

• Newten

• Ohm

The opposite image represents ...............................

• Ameter

• Voltimeter

• Fixed resistance

• Variable resistance

The quantity of charge passes through a conductor whose resistance equals 1000 Ohm for 30 min., if the potential difference between its poles equals 220 Volt is .................................

• 296 Coulomb

• 300 Coulomb

• 396 Coulomb

• 400 Coulomb.

The measuring unit of electric current intensity is ....................................

• Volt

• Ohm

• Coulomb

• Ampere

The term (Joul/ Volt. Second) represents ..................................

• Quantity of charge

• Current intensity

• Resistance

• Potential difference