15 questions in Electricity and magnetism at Form 3 · JCE
Most triedMost missedNewest- Three 2 Ω resistors are connected in series. What is the total resistance?
- A current of 2 A flows through a 6 Ω resistor. What is the voltage across it?
- A torch has two 1.5 V cells in series and a bulb with a resistance of 6 Ω.
- The diagram below shows a circuit used to investigate one of the factors affecting resistance of a wire. Three wires S, T and U of the same material,…
- The diagram below shows a set up used to magnetise a piece of iron nail.
- The diagram below shows an electric circuit with two identical bulbs and an electric component labelled P.
- The table below shows circuit symbols for some circuit components. Two have been named: variable resistor and connecting wires.
- The diagram below shows a circuit with a 12 V supply, a 4 Ω resistor, a 2 Ω resistor and an ammeter, all in series.
- The diagram below shows a 3-pin plug used for connecting appliances to the mains electricity socket. Pin Z is the live pin.
- The diagram below shows an electric circuit with components labelled P, Q, R and S (P a resistor, Q a switch, R a battery, S a bulb).
- The diagram below shows two steel pins and two iron pins attracted by a permanent magnet. One end of the steel pin is labelled Q.
- The first diagram shows a simple electrical circuit: two cells, a switch, a bulb, and two meters. The scale diagram shows the reading on the ammeter …
- The diagram below shows an electric circuit: a battery, instrument P in series, instrument Q in parallel across a conductor ABC, and a jockey that ca…
- The diagram below shows a machine used to lift a load: coils on an iron core connected to the mains, with an iron bar holding the load.
- A set-up was used to investigate the relationship between the length of a wire and its resistance. The voltmeter measured the potential difference ac…