Download Using Electricity Homework 1

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