# Electrical Current MCQs Quiz Online PDF Download eBook

Solve Electrical Current Multiple Choice Questions (MCQ), electrical current quiz answers PDF worksheet, A level physics practice test for online college programs. Learn electric current, potential difference and resistance Multiple Choice Questions and Answers (MCQs), "Electrical Current" quiz questions and answers for online degree programs. Learn electric power, electrical resistance, current equation test prep for GRE prep classes.

"Semiconductors have electron number density of order" Multiple Choice Questions (MCQ) on electrical current with choices *10 ^{24} m^{-3}, 10^{20} m^{-3}, 10^{12} m^{-3}, and 10^{23} m^{-3}* for online degree programs. Practice electrical current quiz questions for merit scholarship test and certificate programs for best online ACT prep class.

## MCQs on Electrical Current PDF Download eBook

MCQ: Semiconductors have electron number density of order

- 10
^{24}m^{-3} - 10
^{20}m^{-3} - 10
^{12}m^{-3} - 10
^{23}m^{-3}

D

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

- BIL cosθ
- BIL sinθ
- BIL tanθ
- BL sinθ

B

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

- zero
- infinite
- 2 times
- same

A

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

- electronic current
- conventional current only
- positronic current
- protonic current

B