- Page 1: Unit 6:Electricity
- Page 5 and 6: Kinds of ElectricityCurrent• The
- Page 7 and 8: How does an Electrical Appliance Wo
- Page 9 and 10: Electric Charges• Electric charge
- Page 11 and 12: Electrical QuantityElectric Current
- Page 13 and 14: How to Measure Current?• The SI u
- Page 16 and 17: Direct Current (DC)• An electricc
- Page 18 and 19: Electrical Potential Difference or
- Page 21 and 22: Resistance• When an electric curr
- Page 23: Resistance• The SI unit forresist
- Page 33: 24
- Page 36 and 37: Ohm’s Law• The current that flo
- Page 38 and 39: Chart
- Page 40 and 41: Sample Problem 1:Find the current t
- Page 42 and 43: Find the applied voltage of a circu
- Page 44 and 45: Sample Problem 5A light bulb uses 2
- Page 50 and 51: Electrical Circuitsand Connections
- Page 52 and 53:
Open and Closed CircuitClosed Circu
- Page 54 and 55:
Components Found in an Electric Cir
- Page 56 and 57:
• A switch is an electrical compo
- Page 58 and 59:
• Bulb• Variable resistor (rheo
- Page 60 and 61:
Workbook p. 160
- Page 64 and 65:
Series Circuit•Series Circuit - a
- Page 66:
Voltage drop•As each device in se
- Page 70 and 71:
Sample Problem 1A series circuit co
- Page 72 and 73:
Determine the (a) totalresistance o
- Page 74 and 75:
The circuit shown contains a 9-volt
- Page 76 and 77:
4. Solution- part 2- Use resistance
- Page 78 and 79:
• Determined the total current in
- Page 80 and 81:
Sample Problem 5:• Determined the
- Page 82 and 83:
Parallel Circuits•In parallel cir
- Page 84:
Parallel Circuit Calculation Rules
- Page 87 and 88:
1R t= 1 R 1+ 1 R 2+ 1 R 31R t=1+ 1+
- Page 89 and 90:
Sample Problem 1•Find the total c
- Page 91 and 92:
Solving Problem 2:1. Looking for:-
- Page 93 and 94:
Calculations ofElectrical Energy an
- Page 95 and 96:
• Power is measured in watts (W).
- Page 97 and 98:
Sample Problem 1:• Samson spends
- Page 99 and 100:
Sample Problem 3:• A consumer use
- Page 101 and 102:
Calculation of Electricity Cost in
- Page 104 and 105:
Sample Problem 1:A household which
- Page 106 and 107:
Importance of SafetyPrecaution in t
- Page 108 and 109:
Three possible dangers in electrici
- Page 110 and 111:
Three possible dangers in electrici
- Page 112 and 113:
• Earth wire - a safety wireand c
- Page 114 and 115:
• Circuit breakers- Miniature Cir
- Page 116:
Earth Leakage Circuit Breaker (ELCB