Electric field in a certain region is given by E → = A x 2 i ^ + B y 3 j ^ . The SI unit of A and B…

Electric field in a certain region is given by E→=Ax2i^+By3j^. The SI unit of A and B are :
  1. N m3 C-1; N m2 C-1
  2. N m2 C-1; N m3 C-1
  3. N m3 C; N m2 C
  4. N m2 C; N m3 C

Solution

E→=Ax2i^+By3j^

Here, the units of  Ax2 and By3 is equal to unit of electric field.

The unit of electric field is N C-1.

So, the SI unit of A is  Ax2=N C-1⇒A=N m2 C-1

And the SI unit of B is By3=N C-1⇒B=N m3 C-1

Asked in: JEE Main 2023 (30 Jan Shift 1)

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