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Download Using Electricity Homework 1
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Using Electricity Homework 1 Name ______________ Date due ____________ 1. Draw the symbols for the following components in the spaces provided. (a) A cell (b) A resistor (c) A bulb (d) A voltmeter (e) An ammeter (f) A battery 6 2. Electricity can be supplied by either a cell or from the mains. (a) Which of these supplies a.c.? 1 (b) Which of these supplies d.c.? 1 (c) What are the normal values for the mains voltage and the mains frequency? Voltage Frequency 2 3. The following equation can be used to solve calculations involving charge, current and time. Charge = current X time Use this formula to find the missing values in the following table. Charge 600 C 3C 0.2 C 4C Space for working Current 2A 5A 2 mA Time 10 s 100 s 1 minute 10