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The e-Book Electrical Current Multiple Choice Questions (MCQ Quiz) with answers, Electrical Current MCQs PDF download to study online igcse physics degree courses. Practice Electric Current, Potential Difference and Resistance Multiple Choice Questions and Answers (MCQs), Electrical Current quiz answers PDF for online degree programs. The Electrical Current MCQ App Download: Free learning app for meaning of voltage, current equation, circuit symbols, electrical current test prep for GRE prep classes.

The MCQ Semiconductors have electron number density of order: 1024 m-3, 1020 m-3, 1012 m-3 and 1023 m-3 with "Electrical Current" App Download (Free) for online degree programs. Study electrical current quiz questions, download Google eBook (Free Sample) for best online ACT prep class.

## Electrical Current MCQ Quiz : IGCSE Physics MCQs

MCQ 1: Semiconductors have electron number density of order

A) 1024 m-3
B) 1020 m-3
C) 1012 m-3
D) 1023 m-3

MCQ 2: If the magnetic flux density and current are at right angles, then component of force acting on the conductor is

A) BIL cosθ
B) BIL sinθ
C) BIL tanθ
D) BL sinθ

MCQ 3: When current is parallel to magnetic fields, force on conductor is

A) zero
B) infinite
C) 2 times
D) same

MCQ 4: If direction of current is from positive to negative, then it is called

A) electronic current
B) conventional current only
C) positronic current
D) protonic current

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