C-10-Q093mediumsingle_mcq
After combing the hair, the aluminium-foil ball jumps toward the comb because —
After combing the hair, the aluminium-foil ball jumps toward the comb because —
- athe comb is magnetic
- bopposite charge is induced on the near side of the conducting ball
- cthe ball is positively charged from the start
- dair pushes the ball