PASSAGE 1 i w is the work done in moving a charge from a point A to another point B. The potential difference Vn- is given by w V-V Also if a charge flows through a conductor an electric current is said to exist in the conductor and its magnitude is given by 1- where `t` in the time for which charge flows through the conductor Now answer the following questions: 1. Calculate the potential difference between the two terminals of a battery if 100 J of works in required to transfer 20 C from one terminal of the battery to the other. faj 5 v ib) 0.2 v (c) 2000 v (d) 20 V 2. Calculate the current in a circuit ir 500 C of charge passes through it in 10 minuten. (a) 50 A (b) 8.33 A c) 0.83 A (d) 12A An electric bulb draws a current of 0.2 A when the voltage is 220 V. Calculate the amount of electric 7 charge flowing through it in one hour. (al 720 0 (b) 44 C tel 3.27 C (d) 0.20 3.
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PASSAGE 1 i w is the work done in moving a charge from a point A to another point B. The potential difference Vn- is given by w V-V Also if a charge flows through a conductor an electric current is said to exist in the conductor and its magnitude is given by 1- where `t` in the time for which charge flows through the conductor Now answer the following questions: 1. Calculate the potential difference between the two terminals of a battery if 100 J of works in required to transfer 20 C from one terminal of the battery to the other. faj 5 v ib) 0.2 v (c) 2000 v (d) 20 V 2. Calculate the current in a circuit ir 500 C of charge passes through it in 10 minuten. (a) 50 A (b) 8.33 A c) 0.83 A (d) 12A An electric bulb draws a current of 0.2 A when the voltage is 220 V. Calculate the amount of electric 7 charge flowing through it in one hour. (al 720 0 (b) 44 C tel 3.27 C (d) 0.20 3.