AQA A LEVEL PHYSICS PAPER 2 EXAM
COMPREHENSIVE TEST PAPER 2026
COMPLETE QUESTIONS AND ANSWERS
EXPERT VERIFIED GRADED A+
◉ emf. Answer: the energy converted from some other form (e.g.
chemical) to electrical potential energy per coulomb of charge
flowing through the source. Unit: volt (V) [= JC^-1].
◉ Ohm's Law. Answer: the current through a conductor between
two points is directly proportional to the voltage across the two
points
◉ Electrical Resistance. Answer: The resistance of a conductor is the
p.d. (V) placed across it divided by the resulting current (I) through
it. R = V / IUnit: ohm (ΩΩΩΩ) [= VA^-1]
◉ Resistivity. Answer: The resistance, R, of a metal wire of length L
and cross-sectional area A is given by R = ρ L / A, it is a constant for
the material of the wire Unit: ohm-metre (ΩΩΩΩm)
◉ Conservation of Charge. Answer: Electric charge cannot be
created or destroyed, (though positive and negative charges can
, neutralize each other). In a purely resistive circuit charge cannot pile
up at a point
◉ Nucleon. Answer: Protons and neutrons have similar masses.
They are both classed as these, and are found in the centre of an
atom
◉ Atomic mass number. Answer: the number of protons and
neutrons in an atom
◉ Atomic number. Answer: the number of protons in an atoms
nucleus
◉ Isotope. Answer: an element that contain equal numbers of
protons but different numbers of neutrons in their nuclei than the
original element
◉ Electron volt. Answer: This is the energy transferred when an
electron moves between two points with a potential difference of 1
volt between them. = 1.6×10^-19J
◉ Ionisation. Answer: a process by which an atom loses or gains
electrons to change its overall charge
COMPREHENSIVE TEST PAPER 2026
COMPLETE QUESTIONS AND ANSWERS
EXPERT VERIFIED GRADED A+
◉ emf. Answer: the energy converted from some other form (e.g.
chemical) to electrical potential energy per coulomb of charge
flowing through the source. Unit: volt (V) [= JC^-1].
◉ Ohm's Law. Answer: the current through a conductor between
two points is directly proportional to the voltage across the two
points
◉ Electrical Resistance. Answer: The resistance of a conductor is the
p.d. (V) placed across it divided by the resulting current (I) through
it. R = V / IUnit: ohm (ΩΩΩΩ) [= VA^-1]
◉ Resistivity. Answer: The resistance, R, of a metal wire of length L
and cross-sectional area A is given by R = ρ L / A, it is a constant for
the material of the wire Unit: ohm-metre (ΩΩΩΩm)
◉ Conservation of Charge. Answer: Electric charge cannot be
created or destroyed, (though positive and negative charges can
, neutralize each other). In a purely resistive circuit charge cannot pile
up at a point
◉ Nucleon. Answer: Protons and neutrons have similar masses.
They are both classed as these, and are found in the centre of an
atom
◉ Atomic mass number. Answer: the number of protons and
neutrons in an atom
◉ Atomic number. Answer: the number of protons in an atoms
nucleus
◉ Isotope. Answer: an element that contain equal numbers of
protons but different numbers of neutrons in their nuclei than the
original element
◉ Electron volt. Answer: This is the energy transferred when an
electron moves between two points with a potential difference of 1
volt between them. = 1.6×10^-19J
◉ Ionisation. Answer: a process by which an atom loses or gains
electrons to change its overall charge
