You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

Charging by Induction

Two identical...

Question

Two identical metal spheres $A$ and $B$ are supported on insulating stands and placed in contact. What kind of charges will $A$ and $B$ develop when a negatively charged ebonite rod is brought near $A$ ?

A

will have a positive charge and

B

will have a negative charge

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

A

will have a negative charge and

B

will have a positive charge

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Both

A

and

B

will have positive charges

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Both

A

and

B

will negative charges

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A $A$ will have a positive charge and $B$ will have a negative charge
In contact, $A$ and $B$ behave as one body. Therefore, by induction, positive charge develops on $A$ and negative charge develops on farther side of $B$ .

Suggest Corrections

Similar questions

Two identical metal spheres P and Q are supported on insulating stands and placed in contact. What kind of charges will P and Q develop when a negatively charged ebonite rod is brought near P?

Q. Two identical metal spheres

A

and

B

placed in contact are supported on insulating stand. What kind of charge will

A

and

B

develop when a negatively charged ebonite rod is brought near

A

Q. Two identical metallic spheres A and B of exactly equal masses are taken. Sphere A is given positive charge Q columb and B is given an equal negative charge. So initially before the charge is given. What will be the masses after the charging?

Q. Consider structural formulas

A, B

and

C

(a) Are

A, B

and

C

constitutional isomers, or are they resonance forms?
(b) Which structures have a negatively charged carbon?
(c) Which structures have a positively charged carbon?
(d) Which structures have a positively charged nitrogen?
(e) Which structures have a negatively charged nitrogen?
(f) What is the net charge on each structure?

Q. The lines of force of the electric field of a positive charge

(+ q)

and a negative charge

(- q)

are shown in figure (a) and (b) below. Then:-

(a) The work done in moving a small positive charge (+

q_{0}

) from Q to P will be positive
(b) The work done in moving a small negative charge (−

q_{0}

) from B to A will be positive
(c) In going from Q to P, the kinetic energy of a small negative charge (−

q_{0}

) increases
(d) In going from B to A, the kinetic energy of a small negative charge (−

q_{0}

) decreases

Join BYJU'S Learning Program

Two identical metal spheres A and B are supported on insulating stands and placed in contact. What kind of charges will A and B develop when a negatively charged ebonite rod is brought near A?

The correct option is A A will have a positive charge and B will have a negative chargeIn contact, A and B behave as one body. Therefore, by induction, positive charge develops on A and negative charge develops on farther side of B.

Two identical metal spheres $A$ and $B$ are supported on insulating stands and placed in contact. What kind of charges will $A$ and $B$ develop when a negatively charged ebonite rod is brought near $A$ ?

The correct option is A $A$ will have a positive charge and $B$ will have a negative charge
In contact, $A$ and $B$ behave as one body. Therefore, by induction, positive charge develops on $A$ and negative charge develops on farther side of $B$ .