This can be possible by induction, if a negative charge rod is placed near the sphere (at a distance not in touch) than it attract positive charge inside the sphere towards its side and the negative charges collected on other side and when the negative surface connected to earth than the negative charge goes to earth and the sphere remain positively charged.
1) which of the following methods can be used to charge a metal sphere positively without touching it . Select the best
Answer is:
Bring a negatively charged rod near the sphere and touch it to ground for a short while
Explanation:
Related Electricity MCQ with Answers
Answer is:
200 years
Explanation:
Total charge transferred per second q=ne=109?1.6?10-19=1.6?10-10C. So 1.6?10-10C charge transferred in time=1second
Answer is:
is a property of particles such as atoms,ions,electrons etc that defines their behaviour in electrical fields.
Explanation:
If +Q is at point P, another charge +q is placed near it than +q experience repulsion while ?q experience attraction so the nature of charge q can be defined by the field or force exerted by charge +Q .
Answer is:
2 types
Explanation:
Two types (1) positive charge?deficiency of electrons i.e. if a body loses electrons it will be positive. (1) negative charge?excess of electrons i.e. if a body gains electrons it will be positive
Answer is:
implies one is positively charged and the other is negatively charged.
Explanation:
If a glass rod is rubbed with silk it becomes positive and silk gains same amount of negative charge so the total charge before and after the reaction is same so charge never be created nor be destroyed but transferred from one body to other.