Electroscope is used: - Vidyadip

MCQ

Electroscope is used:

✓
To detect and test small electric charges.
B
To calculate the amount of electric charge flowing through the conductor in the given interval of time.
C
To find out the presence of antimatter.
D
To test the presence of magnetic field.

✓

Answer

Correct option: A.

To detect and test small electric charges.

Electroscope is an old electrical instrument, used to detect the presence and magnitude of electric charges on a body.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Electric Charges and Fields→Electric Charges and Fields — all question types→Physics STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Two short magnets of magnetic moment $1000$ $A{m^2}$ are placed as shown at the corn ers of a square of side $10\, cm$. The net magnetic induction at $P$ is....$T$

Find the wrong statement.

What is the equivalent capacitance between A and B in the given figure (all are in farad)

When a current passes through the junction of two different metals, evolution or absorption of heat at the junction is known as

Calculate the net resistance of the circuit between $A$ and $B$

A parallel plate capacitor of capacity ${C_0}$ is charged to a potential ${V_0}$

$(i)$ The energy stored in the capacitor when the battery is disconnected and the separation is doubled ${E_1}$

$(ii)$ The energy stored in the capacitor when the charging battery is kept connected and the separation between the capacitor plates is doubled is ${E_2}.$

Then ${E_1}/{E_2}$ value is

The figures below depict two situations in which two infinitely long static line charges of constant positive line charge density $\lambda$ are kept parallel to each other. In their resulting electric field, point charges $q$ and $- q$ are kept in equilibrium between them. The point charges are confined to move in the $x$ direction only. If they are given a small displacement about their equilibrium positions, then the correct statement$(s)$ is(are)

In the given circuit the current $I_1$ is

How many photons are emitted by a laser source of $5 \times 10^{-3} \,W$ operating at $632.2 \,nm$ in $2 \,s$ is .......$\times 10^{16}$ $\left(h=6.63 \times 10^{-34} \,Js \right)$

Tangent galvanometer is used to measure