Cambridge & Pearson Edexcel Past Paper Questions

The diagram shows a 12V d.c. power supply connected across a coil with a metal core.. The core becomes a magnet when the current is switched on. It...

A positively charged rod is held close to an earthed metal sphere.. What describes the charge on the metal sphere?

Two charged metal spheres are suspended close to each other. Which diagram shows the charge distribution on the spheres and the directions of the f...

Which list contains only electrical insulators?

The currents in different parts of the circuit are I₁, I₂, I₃ and I₄.. Which statement is correct?

The diagram shows a circuit that has two resistors in series with a 12V supply.. What is the current in the circuit?

An ammeter is connected to three resistors and a power supply. Which arrangement of resistors gives the greatest ammeter reading?

There is a current of 0.25 A in a lamp connected to a 240 V supply. What is the input power to the lamp?

Which unit measures the energy input to an electrical appliance?

An electric lamp is marked 0.5 A. It is connected to a socket marked '30 A maximum'. Which fuse is best to use in the lamp?

Two long, parallel conductors carrying current lie in a horizontal plane. The two conductors attract one another. The two currents must

The diagram shows a d.c. motor with its coil horizontal.. Why is a split-ring commutator used?

A student moves a magnet into a coil of wire as shown in the diagram. The coil of wire is connected to a sensitive ammeter.. Which change does not ...

The coil of an a.c. generator is rotated and the output is displayed on the screen of a cathode-ray oscilloscope (c.r.o.). The diagram shows the tr...

People working with radioactive materials use a photographic film badge covered in paper. The badge is used to monitor the level of their exposure ...

When a radioactive atom decays by alpha-particle emission, its nucleus loses

A neutral atom of chlorine-37 is compared with a neutral atom of argon-37. How do the number of electrons and the number of neutrons in each of the...

Fig. 1.1 shows a motorcycle during a race. [Figure 1.1] The motorcycle accelerates along a straight section of the track from a speed of 40m/s to m...

A student places a metre rule on the edge of a triangular prism. The prism is used as a pivot and the rule balances about the 50 cm mark. The stude...

Before a small, inflatable boat is used, air is pumped into its rubber chamber. Fig. 3.1 shows a man using an air pump to inflate the boat. [Figure...

Ripple tanks are often used to illustrate wave motion.

The device shown in Fig. 5.1 uses the reflection of ultrasound to measure distances. [Figure 5.1]

The base of a storm cloud is negatively charged. Fig. 6.1 shows the cloud above flat ground. [Figure 6.1]

A straight length of copper wire lies horizontally between the poles of a U-shaped magnet. Fig. 7.1 shows the two ends of the wire connected to a v...

The nuclide notation for the radioactive isotope boron-12 is ¹²₅B.

Fig. 9.1 shows the dam and reservoir of a hydroelectric power station. [Figure 9.1] A hydroelectric power station uses a renewable energy source.

The casing of an electric kettle is made of white plastic. Fig. 10.1 shows the heating element positioned in the base of the kettle. [Figure 10.1]

A student makes a 2.0V battery by connecting two cells of electromotive force (e.m.f.) 2.0V in parallel. The battery, an ammeter with different ran...

A student suspends a spring from a clamp stand. He measures the unstretched length of the spring with no load attached. He then attaches different ...

In hospitals, doctors and nurses operate taps with their elbows in order to avoid contamination. Fig. 2.1 shows a hospital tap with a long handle. ...

Fig. 3.1 shows a helium cylinder being used at a funfair to inflate balloons that float in the air. [Figure 3.1] Initially, all the helium is store...

Fig. 4.1 shows a black car going up a hill on a bright, sunny day. [Figure 4.1]

A test-tube contains solid wax. The melting point of the wax is 58°C. The test-tube is partially immersed in a beaker of boiling water and the wax ...

Fig. 6.1 shows a runner in a long distance race. He tips water over himself to keep cool. [Figure 6.1]

The circuit of Fig. 7.1 includes an ammeter, a 6.0Ω resistor, a length of metal resistance wire and three 1.5V cells connected in parallel. [Figure...

Fig. 8.1 shows the structure of a simple alternating current (a.c.) generator. [Figure 8.1]

Explain what is meant by uniform acceleration.

State the speed of light in air.

Strontium-90 (⁹⁰₃₈Sr) is a radioactive isotope. A nucleus of strontium-90 decays by the emission of a beta-particle (β).

During an experiment to find the density of a stone, the stone is lowered into a measuring cylinder partly filled with water. Which statement is co...

The diagram shows a micrometer scale. Which reading is shown?

An object travels at a constant speed of 10 m/s for 10 s. During the next 5 s, it accelerates uniformly to 20 m/s. What is the total distance trave...

Which object has the largest resultant force?

In which example does friction act in the direction of forward motion of the object on which it acts?

The diagram represents the Moon in its orbit around the Earth. Which arrow represents the direction of the resultant force acting on the Moon at th...

Which statement about mass is correct?

The total weight of the load and the wheelbarrow shown is 600 N. What is the size of force F needed just to lift the loaded wheelbarrow?

A force acts on a body. Which properties of the body may all be changed by the force?

Some students plan to use a spring to make a spring balance with a linear scale. The graph shows how the extension of their spring changes with the...

A block of weight 900 N has rectangular faces. The diagram shows the lengths of the sides. The block can rest on any of its faces. What is the mini...