# Current Equation Quiz Questions and Answers PDF Download eBook - 49

Current Equation quiz questions and answers, current equation MCQs with answers PDF 49 to practice A level physics mock tests for online college programs. Practice "Electric Current, Potential Difference and Resistance" quiz questions with answers, current equation Multiple Choice Questions (MCQ) for online college degrees. Free current equation MCQs, faradays law, spectra origin, magnetic flux and density, elasticity, current equation test prep for online associates degree.

"Number density for copper is", current equation Multiple Choice Questions (MCQ) with choices *10 ^{30} m^{-3}, 10^{-29} m^{-3}, 10^{29} m^{-3}, and 10^{20} m^{-3}* for best ACT prep courses online. Learn electric current, potential difference and resistance questions and answers to improve problem solving skills for free online college courses.

## Quiz on Current Equation PDF Download eBook

MCQ: Number density for copper is

- 10
^{-29}m^{-3} - 10
^{30}m^{-3} - 10
^{29}m^{-3} - 10
^{20}m^{-3}

C

MCQ: Dimensions of strain are

- [L]
- [M] [L]
^{-1}[T]^{-2} - [L]
^{-1} - It's a dimensionless quantity

D

MCQ: F = BIL can only be used if the magnetic field and electric current are

- at right angles to each other
- in same direction
- anti-parallel to each other
- anti-perpendicular to each other

A

MCQ: Energy of an electron in an atom is

- quantized
- continuous
- radial
- randomized

A

MCQ: Magnitude of induced EMF is proportional to

- rate of change of current
- rate of change of voltage
- rate of change of magnetic flux linkage
- rate of change of resistance

C