Four identical resistors, P, Q, R and S are connected as shown. In which of the resistors is the current the same? 1.P and Q only 2.R and S only 3.P, R.

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Presentation transcript:

Four identical resistors, P, Q, R and S are connected as shown. In which of the resistors is the current the same? 1.P and Q only 2.R and S only 3.P, R and S only 4.Q, R and S only 5.P, Q, R and S Q RS P + -

Which of the following is the unit of electrical current? 1.joule 2.volt 3.ampere 4.watt 5.coulomb

Which of the following is the circuit symbol for a fuse?

In the circuit shown, the current in the 2 ohm resistor is 1 ampere. What is the current taken from the battery? ampere 2. 1 ampere 3. 2 amperes 4. 3 amperes 5. 5 amperes 2 ohms 3 ohms

The insulation on the wires in a mains flex is colour coded. Which of the following correctly identifies the live, neutral and earth wires? LiveEarthNeutral 1 bluegreen/yellowbrown 2 green/yellowbrownblue 3 browngreen/yellow 4 browngreen/yellowblue 5 brownbluegreen/yellow

The voltage of the supply is 1.2 volts 2.4 volts 3.6 volts 4.10 volts 5.32 volts supply M 4V 2V

The symbol below is sometimes seen on the rating plates of appliances. This tells you the appliance 1.operates from 440V 2.does not require a live wire 3.does not require an earth wire 4.has a poisonous casing 5.does not need a fuse

Which of the following correctly lists the units of current and resistance? CurrentResistance 1wattohm 2ampereohm 3 ampere 4ohmwatt 5amperewatt

The kilowatt-hour is a unit of 1.voltage 2.current 3.power 4.energy 5.charge

1.A…