Practice core concepts of measurement, motion, force, energy, waves, electricity, magnetism and modern physics.
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Which law states that the current through a conductor is directly proportional to the voltage across it?
Which law states that current flowing through a conductor is directly proportional to the voltage across it?
Which device is used to measure the potential difference between two points in a circuit?
What is the formula for gravitational potential energy?
What is the term for an object floating due to the upward force of a fluid?
The SI unit of electrical resistance is:
What does a transformer do to alternating current?
What is the term for the number of wave cycles that pass a given point per second?
Which scientist is known as the Father of Physics?
The law of conservation of linear momentum applies to a system when:
Which process transfers heat through the movement of fluid currents?
Which law states that the pressure of a gas is inversely proportional to its volume at constant temperature?
The process by which two light nuclei combine to form a heavier nucleus is called:
What is the term for the total internal reflection angle beyond which light cannot exit a medium?
The zeroth law of thermodynamics deals with:
A body of mass 5 kg moving at 4 m/s has kinetic energy of:
Which type of energy is stored in a compressed spring?
The time period of a satellite in a geostationary orbit is:
Which simple machine consists of a rod that pivots around a fixed point?