Karnataka PUC II Electric Charges and Fields — practice questions
17 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice Karnataka PUC II Electric Charges and Fields in the app →Which of the following correctly states the quantisation of charge?In SI units, the magnitude of the elementary charge e is approximatelyWhich of the following is an insulator under normal conditions?When a glass rod is rubbed with silk, by the standard sign convention adopted in the chapter,Coulomb's law states that the force between two point charges in vacuum isA body acquires a negative charge byWhich of the following statements about the conservation of charge is correct?Three point charges +1, −3, and +5 (in arbitrary units) are placed in a closed system. What is the total chargTwo point charges of 2 μC each are placed 1 m apart in vacuum. The magnitude of the Coulomb force between themWhich scientist first experimentally demonstrated the quantisation of electric charge through his oil-drop expApproximately how many electrons are present in a charge of −1 C?A cubic centimetre of copper contains roughly how many electrons in total?Which of the following statements about the basic properties of charge is INCORRECT?If 10⁹ electrons leave a body every second, approximately how long is needed for the remaining body to developThe expression of Coulomb's law in the form F = (1/4πε₀)·|q₁q₂|/r² involves which physical constant ε₀?If you charge an isolated metal sphere by putting it in contact with an identical uncharged sphere, the chargeWhich of the following situations is INCONSISTENT with charge conservation?