logo

Great Assignment Help Questions

An electron travels at a horizontal velocity of 5 × 106 m/s in a vacuum between two charged plates 100 mm long and 20 mm apart, to which a p.d. of 30 V is applied.

View Answer ...
Posted: 18-08-2022

Find the force acting on a charge of 4 C in an electric field of 5 N/C.

View Answer ...
Posted: 18-08-2022

A photographic flash unit consists of a xenon-filled tube. It gives a flash of average power 2000W for 0.04s. The flash due to discharge of a fully charged capacitor of 40μF. The voltage to which it is charged before a flash is given by the unit is :

View Answer ...
Posted: 18-08-2022

You want to make a 5.0 μF capacitor. For the dielectric you use waxed paper of thickness 0.4 mm and ε = 7.1 × 10−^12 F/m.

View Answer ...
Posted: 18-08-2022

A 2.0 μF capacitor is charged from a 6.0 V battery.

View Answer ...
Posted: 18-08-2022

The answer to question 8 is an enormous force – a coulomb is a huge unit for static charge, and we do not normally encounter point charges of anything like that size.

View Answer ...
Posted: 18-08-2022

A charge is placed in an electric field of 48 N/Cand it experiences a force of 12 N.

View Answer ...
Posted: 18-08-2022

How big a force will a charge of +2 C experience if placed in an electric field of strength 18 N/C?

View Answer ...
Posted: 18-08-2022

Find the moment of inertia of a disc of radius 0.4 m and mass 0.75 kg.

View Answer ...
Posted: 18-08-2022

a) Explain why the angle is important when launching projectiles.

View Answer ...
Posted: 18-08-2022

Get Help Instantly

Raise Your Grades with Great Assignment Help