Current electricity

Current is expressd in Ampere.....

• I

• A

• V

• R

Unit of charge in SI unit is.....

• Coulomb C

• Resistivity ρ

• Ampere A

• Potential difference V

Symbol for the potential differences is .....

• I

• V

• R

• C

This is known as ohm's law.....

• V = I + R

• V = I ÷ R

• V = I - R

• V = I × R

The unit of resistivity in SI unit is......

• Ohm meter

• Ametre

• Voltmetre

• Metre

Those substances which have very low resistance are called as.....

• Conductors

• Insulators

• Ametre

• Voltmetre

Tags

NGSS.MS-PS2-5

Those substances which have extremely high resistance are called as.....

• Ametre

• Insulator

• Conductors

• Current

Arrangement is used to increase the resistance in a circuit.

• Resistors connected in parallel

• Resistors connected in series

• Resistors connected in alternate

• Resistors connected in combination.

Arrangement used to reduce the resistance in a circuit

• Resistors connected in alternate

• Resistors connected in series

• Resistors connected in parallel

• Resistors connected in combination

The symbol used to express the current is......

• V

• I

• R

• C