C-10-Q103mediumsingle_mcq
To determine the nature of the charge on Rima's comb using an electroscope, one should —
To determine the nature of the charge on Rima's comb using an electroscope, one should —
- adirectly touch the comb to a fully discharged electroscope
- bgive the electroscope a known charge first, then bring the comb near and observe the gap
- cobserve the colour of the comb
- dweigh the comb before and after combing