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Electrical Current, Charge and Potential Worksheet. 1. Calculate the unknown quantity. (a) I = 0.4 A, t = 20 s. Q = ? (b) Q = 240 C, t = 300 s, I = ? (c) I = 2 A, Q = 400 C, t=? (d) Q = 140 C, t = 4 minutes, I = ? (e) I = 0.3 A, t = 1.5 hours, Q = ? 2. A current of 1.5 A flows through a lightbulb for 10 minutes.
1. If there is a current of 10 amperes in a circuit for 10 minutes, what quantity of electric charge flows in through the circuit? 2. How much current must there be in a circuit if 100 coulombs flow past a point in the circuit in 4 seconds? 3. How much time is required for 10 coulombs of charge to flow past a point if the rate of flow
28 Μαρ 2019 · ELECTRIC CHARGE, FORCE, AND FIELD EXERCISES Section 20.1 Electric Charge 13. INTERPRET We’ll estimate the charge your body would carry if the electron charge slightly differed from the proton charge. DEVELOP Since the human body is about 60% water, let’s assume that the number of protons/electrons per
charge on an electron is – e, on a proton is +e and that on -particle is +2e. Causes: The basic cause of quantization of electric charge is that during rubbing only an integral number of electrons can transferred from one body to another.
Charges, Coulomb’s Law, and Electric Fields Some experimental facts: Experimental fact 1: Electric charge comes in two types, which we call (+) and (−). An atom consists of a heavy (+) charged nucleus surrounded by light (−) electrons. nucleus = (+) charged protons and (0) charged neutrons
charge on the far right (q3 = charge 3). Calculate the force between one pair of charges, then the next pair of charges, and so on until you have calculated all the possible combinations for that particular question.
Worksheet - Coulomb’s Law 1. A negative charge of - 2.0 C and a positive charge of 3.0 C are separated by 80 m. What is the force between the two charges? 2. A negative charge of - 0.0005 C exerts an attractive force of 9.0 N on a second charge that is 10 m away. What is the magnitude of the second charge? 3.
