IGCSE Physics MCQs 01 - Making Measurements

The diagram shows a rectangular metal sheet close to two rulers. What is the area of the metal sheet?

• 700 cm^2

• 675 cm^2

• 900 cm^2

• 1125 cm^2

The diagram shows a reading on an ammeter. What is the reading?

• 0.45 A

• 0.50 A

• 4.5 A

• 5.0 A

The diagram shows the image of a clock in a plane mirror. Which is the actual time?

• 04:15

• 04:45

• 07:15

• 07:45

The circuit shows a wire WX connected to a cell. The potential difference (p.d.) between W and X is 1.5 V. What is the reading on the voltmeter?

• 0.4 V

• 0.6 V

• 0.9 V

• 4.0 V

A student uses a ruler to find the volume of water in a tank. She measures the lengths EF and FG.

What other length does she need to measure?

• FJ

• FK

• HI

• IJ

A pendulum is set in motion and timed. The time measured for 20 complete swings is 30 s. What is the time for one complete swing of the pendulum?

• 0.67 s

• 0.75 s

• 1.5 s

• 3.0 s

The diagrams show the scales of three ammeters. Which ammeters show the same current reading?

• all three ammeters

• ammeter 1 and ammeter 2 only

• ammeter 1 and ammeter 3 only

• ammeter 2 and ammeter 3 only

The diagrams show the readings on an ammeter in a series circuit before and after the switch in the circuit has been closed.

What is the current in the circuit when the switch is closed?

• 3.2 A

• 3.4 A

• 3.6 A

• 3.8 A

Diagram 1 shows a voltmeter that is not connected to anything. It shows a small reading, called a zero error, because it is not correctly adjusted.

Diagram 2 shows the same meter used to measure the p.d. across a resistor in a circuit.

What is the p.d. across the resistor?

• 4.6 V

• 4.7 V

• 5.2 V

• 5.4 V

Each of the following blocks is a different type of metal. Each block has a mass of 12 g.

Which metal has the largest density?

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