Theory

CH8 - ELECTRICITY

Which particle does not experience a force due to an electric field?A. \( \alpha \)-particleB. electronC. neutronD. proton

2009 Summer

Theory

CH8 - ELECTRICITY

Using the circuit shown, the current $I$ is found for various voltages $V$. The temperature of the resistor does not change. [Image_1: Circuit Diagram...

2009 Summer

Theory

CH8 - ELECTRICITY

In the circuit shown, ammeter X reads 0.5A. What does ammeter Y read? A. 0 B. 0.5A C. 3.5A D. 4.0A

2009 Summer

Theory

CH8 - ELECTRICITY

In the circuits shown, all the resistors are identical. Which circuit has the least resistance?

2009 Summer

Theory

CH8 - ELECTRICITY

In the circuit below, one of the lamps breaks, causing all the other lamps to go out. Which lamp breaks?

2009 Summer

Theory

CH8 - ELECTRICITY

Either a fuse or a circuit-breaker can be used to protect electrical cables from large currents that could cause overheating.If a fuse is used, in whi...

2009 Summer

Theory

CH8 - ELECTRICITY

The current in a lamp at full brightness is 0.25 A. The flexible cable to the lamp is designed for currents up to 5.0 A, so it can safely carry the 0....

2009 Summer

Theory

CH8 - ELECTRICITY

(a) Fig. 9.1 shows an a.c. supply connected in series to a diode and a resistor.[Image_1: Diagram of Fig. 9.1 with a.c. supply, diode, and resistor]On...

2009 Summer

Theory

CH8 - ELECTRICITY

The circuit shown in Fig. 10.1 uses a 12V battery. (a) Switch S is open, as shown in Fig. 10.1. State the value of (i) the reading on the ammeter...

2009 Summer

Theory

CH8 - ELECTRICITY

A pupil measures the potential difference across a device and the current in it.Which calculation gives the resistance of the device?A current + pote...

2009 Winter

MCQ

CH1 - MEASUREMENTS AND UNITS

A length of cotton is measured between two points on a ruler. When the length of cotton is wound closely around a pen, it goes round six times.What is...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

When does an object falling vertically through the air reach terminal velocity?

2018 Summer

MCQ

CH2 - FORCES AND MOTION

A car is moving along a straight, level road, with a constant acceleration. Which graph shows the motion of the car?

2018 Summer

MCQ

CH2 - FORCES AND MOTION

Diagram 1 shows a beam balance. A beaker with a wire loop balances the standard masses.The beaker is then removed and hung from a spring. The spring e...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

An object always has mass but does not always have weight.What must be present and acting on the mass for it to have weight?

2018 Summer

MCQ

CH2 - FORCES AND MOTION

A force acting on a moving ball causes its motion to change. This force stays constant.What makes the force produce a greater change in the motion of ...

2018 Summer

MCQ

CH3 - FORCES AND PRESSURE

A balloon and a mass are attached to a rod that is pivoted at P.The balloon is filled with helium, a gas less dense than air, so that it applies an up...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

A car is moving in a straight line on a level road. Its engine provides a forward force on the car. A second force of equal size acts on the car due t...

2018 Summer

MCQ

CH2 - FORCES AND MOTION

Which expression gives the momentum of an object?

2018 Summer

MCQ

CH4 - FORCES AND ENERGY

As energy is transferred into different forms, it eventually becomes dissipated. What does this mean?

2018 Summer