Target Exam

CUET

Subject

Physics

Chapter

Current Electricity

Question:

Select scalar quantities from the following:

A. electric flux
B. Electric current
C. Current density
D. Electromagnetic force

Choose the correct answer from the options given below:

Options:

B and C only

A, B and D only

A and C only

B, C and D only

Correct Answer:

A, B and D only

Explanation:

The correct answer is Option (2) → A, B and D only

(A) Electric flux $(\phi_E)=\vec E.\vec A$, Hence it is an scalar.

(B) Electric current (I) is also a scalar Quantity.

(D) EMF is a scalar quantity $(ε=-\frac{d\phi_E}{dt})$.