exam mode physics gcse

how many mm are there in a cm

true or false, current is used up as it flows around a curcuit?

what do you need to do to get full marks in the test?

What is equation Elastic Potential Energy Stored:

• Ee = 1/2 Ke²

• Ke² = 1/2 Ee

• Ee = (1/2)/( Ke²)

Which scientist discovered the electron?

• Democritus

• Ernest Rutherford

• J.J. Thompson

• Niels Bohr

The correct form of Ohm's Law, linking potential difference V, current I and resistance R is…

• V = I × R

• V = I + R

• V = I/R

• V = R/I

What are the constituents of beta particles?

• Electromagnetic waves

• Neutrons

• 2 protons and 2 neutrons

• Electrons

A person of mass 50 kg climbs a wall 5 m high. Assume that g=9.8N/kg.

How much gravitational potential energy have they gained?

• 2450 J

• 250 J

• 490 J

• 24.5 J

Which of these processes is NOT reduced by insulation?

• conduction

• distillation

• convection

• radiation

Electromagnetic induction causes a current to flow when…

• currents cut through a field

• a field experiences a force

• a conductor cuts through magnetic field lines

• a conductor aligns with magnetic field lines