Physics Worksheet Grade 12 - 2016 E.C.

A cube of length 2.5cm is placed in uniform magnetic field of (5i + 4j +6k)T. What is the flux through the x-axis?

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A circular loop with a radius of 20cm is positioned perpendicular to a uniform magnetic field, the magnetic flux that passes through the loop is 1.9 x10-2 Wb. What is the magnetic flux density?

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Silicon and germanium are an example of :

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What is types of extrinsic semiconductor, the number of electrons on the outer most shell of group V elements?

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__________ is a two terminal electronic component that only conducts currents in one direction and block current in the reverse direction.

The combination of electrons and holes near the junction creates a narrow region is called,

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A full wave rectifier allows both cycle of an AC voltage to pass.

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A half wave rectifier allows one-half cycle of an AC voltage wave form to pass by blocking other half cycle.

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In transistor, if the current gain is 100 and the collector current is 10mA, what is the emitter current?

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Which junction in the transistor is forward biased? Which junction reverse biased? (hint: types of bipolar)

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