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

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