PHYSICS PAPER 1 QUESTION PAPER 2026
REVISION QUESTIONS AND ANSWERS
◉ Coulomb. Answer: The amount of charge passing a point when a
current of 1A flows for 1s
◉ Potential difference. Answer: The work done per unit charge in
moving a small point positive charge between two points
◉ Threshold Voltage for a Diode. Answer: The voltage at which a
current will begin to flow at, assumed to be +0.6V if not stated
◉ Reverse Bias. Answer: When very little currency can flow in the
reverse direction of a diode
◉ Variable Resistor. Answer: Can be used to change the current
through a circuit can also be called a rheostat
◉ NTC Thermistor. Answer: (A type of semiconductor) that has
decreasing resistance when its temperature increases - negative
temperature coefficient
,◉ Transitional Temperature. Answer: The critical temperature at
and below which a superconductor has zero resistivity
◉ Semiconductor. Answer: A group of materials which conduct
electricity (not as well as metals), when their temperature rises they
can release more charge carriers and their resistance decreases
◉ Resistance. Answer: The ratio of a components potential
difference to its current
◉ Volt. Answer: The potential difference across a component when 1
joule of energy is used to move a coulomb of charge through a
component
◉ Ohm's Law. Answer: Provided that the physical conditions remain
the same, the current through an ohmic conductor is directly
proportional to the potential difference across it
◉ Ohmic conductor. Answer: A material that follows Ohm's law
when physical components remain the same
◉ Diodes. Answer: Components made from semi conductors that
only allow current to flow in one direction
, ◉ Resistivity. Answer: The resistance of a 1m length of wire with a
1m^2 cross sectional area
◉ Superconductor. Answer: A material that has zero resistivity when
it is cooled below its critical temperature
◉ Critical Temperature. Answer: The temperature below which a
material will have zero resistance and will become a superconductor
◉ Power. Answer: The rate of transfer of energy
◉ EMF. Answer: The work done in moving a unit charge through a
battery
◉ Lost Volts. Answer: Work done per unit charge in overcoming the
internal resistance within a battery
◉ Terminal PD. Answer: The potential difference between the two
terminals of the power supply
◉ Potential Divider. Answer: A circuit with a constant voltage source
and more than one resistor connected in series that can be used to
vary the output voltage
REVISION QUESTIONS AND ANSWERS
◉ Coulomb. Answer: The amount of charge passing a point when a
current of 1A flows for 1s
◉ Potential difference. Answer: The work done per unit charge in
moving a small point positive charge between two points
◉ Threshold Voltage for a Diode. Answer: The voltage at which a
current will begin to flow at, assumed to be +0.6V if not stated
◉ Reverse Bias. Answer: When very little currency can flow in the
reverse direction of a diode
◉ Variable Resistor. Answer: Can be used to change the current
through a circuit can also be called a rheostat
◉ NTC Thermistor. Answer: (A type of semiconductor) that has
decreasing resistance when its temperature increases - negative
temperature coefficient
,◉ Transitional Temperature. Answer: The critical temperature at
and below which a superconductor has zero resistivity
◉ Semiconductor. Answer: A group of materials which conduct
electricity (not as well as metals), when their temperature rises they
can release more charge carriers and their resistance decreases
◉ Resistance. Answer: The ratio of a components potential
difference to its current
◉ Volt. Answer: The potential difference across a component when 1
joule of energy is used to move a coulomb of charge through a
component
◉ Ohm's Law. Answer: Provided that the physical conditions remain
the same, the current through an ohmic conductor is directly
proportional to the potential difference across it
◉ Ohmic conductor. Answer: A material that follows Ohm's law
when physical components remain the same
◉ Diodes. Answer: Components made from semi conductors that
only allow current to flow in one direction
, ◉ Resistivity. Answer: The resistance of a 1m length of wire with a
1m^2 cross sectional area
◉ Superconductor. Answer: A material that has zero resistivity when
it is cooled below its critical temperature
◉ Critical Temperature. Answer: The temperature below which a
material will have zero resistance and will become a superconductor
◉ Power. Answer: The rate of transfer of energy
◉ EMF. Answer: The work done in moving a unit charge through a
battery
◉ Lost Volts. Answer: Work done per unit charge in overcoming the
internal resistance within a battery
◉ Terminal PD. Answer: The potential difference between the two
terminals of the power supply
◉ Potential Divider. Answer: A circuit with a constant voltage source
and more than one resistor connected in series that can be used to
vary the output voltage
