Is the following statement True or False? When electricity flows through a wire, a small magnetic field is produced around the wire.
Choose 1 answer
{"type":"multi-choice","id":"73908","dataJson":{"key":0,"prompt":"Is the following statement True or False? When electricity flows through a wire, a small magnetic field is produced around the wire.","options":[{"key":"0.26883779534012275","label":"True","value":"True"},{"key":"0.9576367818399955","label":"False","value":"False"}],"limitChoices":{"max":1,"min":1},"validResponse":["True"]}}
Fill in the blanks.
Select the missing words in the text.
{"type":"fill-in-blanks","id":"73909","dataJson":{"prompt":"Fill in the blanks.","options":{"two":[{"label":"one","value":"one"},{"label":"two","value":"two"},{"label":"four","value":"four"}],"direct":[{"label":"differential","value":"differential"},{"label":"digital","value":"digital"},{"label":"direct","value":"direct"}]},"template":"Complete the following sentence: DC ({{direct}} current) motors are simple motors that have {{two}} permanent magnets facing each other and a coil of wire in the centre. ","validOptions":["two","direct"],"validResponse":{"two":"two","direct":"direct"}}}
Which of the following factors affect the strength of an electromagnet?
Choose 2 answers
{"type":"multi-choice","id":"73910","dataJson":{"key":12,"prompt":"Which of the following factors affect the strength of an electromagnet?","options":[{"key":"0.6645411770481175","label":"The strength of the applied current","value":"The strength of the applied current"},{"key":"0.46346334370754894","label":"The colour of the wire","value":"The colour of the wire"},{"key":"0.9286691465258791","label":"The number of turns on the coil of wire","value":"The number of turns on the coil of wire"},{"key":"0.39487643389544413","label":"How long the electromagnet is left on for","value":"How long the electromagnet is left on for"}],"limitChoices":{"max":2,"min":2},"validResponse":["The strength of the applied current","The number of turns on the coil of wire"]}}
What is the unit of measurement for an electric current?
Choose 1 answer
{"type":"multi-choice","id":"73911","dataJson":{"key":13,"prompt":"What is the unit of measurement for an electric current?","options":[{"key":"0.004876022809963243","label":"Volt","value":"Volt"},{"key":"0.7686963140242608","label":"Newton","value":"Newton"},{"key":"0.30397742026645924","label":"Amp","value":"Amp"},{"key":"0.0590953688848993","label":"Joule","value":"Joule"}],"limitChoices":{"max":1,"min":1},"validResponse":["Amp"]}}
A DC motor converts electrical energy into which form of energy?
Choose 1 answer
{"type":"multi-choice","id":"73912","dataJson":{"key":14,"prompt":"A DC motor converts electrical energy into which form of energy?","options":[{"key":"0.4251210696333366","label":"Kinetic Energy","value":"Kinetic Energy"},{"key":"0.055376936448146674","label":"Elastic Energy","value":"Elastic Energy"},{"key":"0.03508601782698684","label":"Gravitational Energy","value":"Gravitational Energy"},{"key":"0.8673755348856728","label":"Chemical Energy","value":"Chemical Energy"}],"limitChoices":{"max":1,"min":1},"validResponse":["Kinetic Energy"]}}
Answer incorrect
Look at the slide below to work out the answer.
Stay connected
Join our newsletter to stay up to date on features and releases
Address
Developing Experts Limited Exchange Street Buildings 35-37 Exchange Street Norwich NR2 1DP UK