Producing and measuring electricity This is a product of the science department of Dartford Technology College Question 1 • What device do we use to measure the current in a circuit? • Voltmeter • Ammeter • Digital meter • Analogue meter Question 2 • • • • • What do we call a collection of cells? Battery Dynamo Generator Turbine Question 3 • The measure of the amount of electrical energy that a cell can hold is known as its? • Length • Volume • Capacity • Density Question 4 • A collection of electrical devices connected together to perform a function is called a ? • Round • Track • Circle • Circuit Question 5 • What description of the flow of electrical current from the positive to the negative terminal is called? • Electron flow • Proton flow • Conventional current • Unconventional current Question 6 • Give the name of a device used to generate electricity by rotating a magnet inside a coil of wire? • Magnetron • Generator • Battery • Dynamo Question 7 • A device created from coils of wire around a central core with a current passing through the wire? • Electromagnet • Electricity • Electrons • Electronic Question 8 • A very small negative particle that flows around a circuit creating an electrical current? • Proton • Neutron • Electron • Negatron Question 9 • A resistor that changes its resistance with change in light intensity? • L.E.D. • L.D.R. • P.M.T. • B.B.C. Question 10 • This is a measure of how difficult it is for a current to flow around a circuit measured in ohms? • Voltage • Ampage • Resistance • Capacitance Question 11 • A type of circuit where all the components are connected together in a single loop? • Complex • Simple • Parallel • Series Question 12 • This type of solar cell converts solar power into electricity? • Photo-current • Photo-resistive • Photo-ampage • Photovoltaic Question 13 • A resistor whose resistance changes with temperature? • Fur mister • Fur minister • Thermistor • Therm sister Question 14 • What do we call a material that has an extremely low resistance and so conducts electricity very well? • Conductor • Good conductor • Very good conductor • Superconductor Question 15 • A type of battery that it is possible to use many times? • Reusable battery • Returnable battery • Rechargeable battery • Reutilize battery Question 16 • Made of iron, cobalt or nickel and has two poles. It can attract or repel? • Bridge • Magnet • Rifle • Metal Question 17 • • • • • An area found around a magnet? Field Pasture Meadow Ground Question 18 • The current that moves from negative to positive terminal is called? • Proton flow • Neutron flow • Electron flow • Nuclear flow Question 19 • The difference in electrical energy between two points that makes a current flow? • Ampage • Resistance • Charge • Voltage Question 20 • The process that happens when a magnet is moved near a wire is called? • Electromagnetic induction • Electromagnetic spectrum • Electromagnetic detection • Electromagnetic array Congratulations • You have finally beaten the 20 question challenge on . Well done keep playing it’s the easiest way to learn. • If you wish to repeat the challenge click below. Oh dear • If you wish to try again click the button below.
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