10-нұсқа

Definition for center of mass

Moment of inertia

THE COMMERCIAL UNIT OF ELECTRIC ENERGY IS

Coulomb is the SI unit of:

• charge

• current

• resistance

• potential difference

Formula of the centripetal acceleration

Materials which allow larger currents to flow through them are called

• insulators

• conductors

• semiconductors

• alloys

Friction force

Electrical resistivity of any given metallic wire depends upon

• its thickness

• its shape

• nature of the material

• its length

 Calculate the current flows through the 10 Ω resistor in the following circuit. 

• 1.2 A

• 0.6 A

• 0.2 A

• 2.0 A

Which of the following gases are filled in electric bulbs?

• Helium and Neon

• Neon and Argon

• Argon and Hydrogen

• Argon and Nitrogen