/10 Report a question What's wrong with this question? You cannot submit an empty report. Please add some details. 12345678910 Chapter 3 : Current Electricity This Quiz Contains a set of 10 Questions. The Passing Cut-off is 60%. To start the Quiz, click on the Start Button. All the Best! 1 / 10 Kirchhoff’s first law ensures Energy conservation Charge conservation Momentum conservation All of these 2 / 10 The potential gradient in a potentiometer wire of 2 m with 2 V supply is 1 V/m 0.5 V/m 2 V/m 4 V/m 3 / 10 1 kWh equals 3.6×10⁵ J 36×10⁶ J 3.6×10⁶ J 3.6×10³ J 4 / 10 The cause of resistivity in metals is High temperature Free protons Collision of electrons Zero drift 5 / 10 A wire of cross-section 10⁻⁶ m² carries 3 A current. Drift velocity (n = 10²⁸ m⁻³) is 1.9×10⁻⁴ m/s 3×10⁻⁴ m/s 1.8×10⁻⁵ m/s 1.9×10⁻³ m/s 6 / 10 Two copper wires A and B have lengths in ratio 1:2 and radii in ratio 2:1. Ratio of their resistances R_A : R_B is 1 : 8 1 : 2 1 : 4 4 : 1 7 / 10 If potential difference = 12 V and current = 3 A, resistance = 36 Ω 15 Ω 0.25 Ω 4 Ω 8 / 10 Three equal resistors in series give Req = 9 Ω. Their parallel combination gives 1 Ω 3 Ω 6 Ω 9 Ω 9 / 10 If 10⁻⁴ C charge passes in 10⁻³ s, current = 0.1 A 1 A 1.1 A 10 A 10 / 10 Cells are connected in parallel to get More voltage More current Less current Less energy Your score is 0% Restart quiz