Faraday’s Law: Induced EMF Quiz

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Electromagnetic induction basics

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NOR FARIDAH HANIM MAT JUNIT

Malasia

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Faraday’s Law: Induced EMF Quiz


Froggy Jumps Faraday’s Law: Induced EMF QuizVersión en línea Electromagnetic induction basics por NOR FARIDAH HANIM MAT JUNIT 1 What does Faraday’s law relate in a closed loop? a Induced EMF is proportional to the changing magnetic flux through the loop b EMF depends only on coil material c Induced EMF is constant for a changing current 2 Which quantity changes to induce an EMF in a loop? a Magnetic flux through the loop b The loop’s temperature c Electrical resistance of the wire 3 If the magnetic flux through a loop changes, what is induced? a A static magnetic field b An electromotive force (EMF) and current c A magnetic monopole 4 Which factor does Faraday’s law NOT include? a Rate of change of flux b Absolute magnetic field strength at one instant c Number of turns in the loop 5 Lenz’s law helps determine the direction of: a The loop’s resistance b The induced current c The applied external field 6 If the magnetic flux decreases, the induced current will: a Create a magnetic field opposing the decrease b Enhance the decrease c Be zero until flux reversal 7 The unit of EMF is: a Volt (V) b Ampere (A) c Tesla (T) 8 Which of the following changes would increase induced EMF? a Increasing the rate of change of flux, or using more turns b Reducing loop area c Decreasing resistance of the wire 9 Maxwell’s equation that generalizes Faraday’s law involves: a Ampere’s law with displacement current b Gauss’s law for E c Curl of E equals -dB/dt 10 Mutual induction involves: a Induced EMF in one circuit due to changing flux from another b Induced EMF only in the same circuit c No magnetic field coupling between circuits

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Faraday’s Law: Induced EMF Quiz

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Faraday’s Law: Induced EMF QuizVersión en línea

por NOR FARIDAH HANIM MAT JUNIT

What does Faraday’s law relate in a closed loop?

Which quantity changes to induce an EMF in a loop?

If the magnetic flux through a loop changes, what is induced?

Which factor does Faraday’s law NOT include?

Lenz’s law helps determine the direction of:

If the magnetic flux decreases, the induced current will:

The unit of EMF is:

Which of the following changes would increase induced EMF?

Maxwell’s equation that generalizes Faraday’s law involves:

Mutual induction involves: