1. ELECTRICITY

2. ELECTRICITY
IS A PART OF OUR DAILY OUR DAILY
LIVES
CAN YOU WATCH YOUR FAVORITE
TV SHOW WITHOUT ELECTRICITY?
CAN YOU USE YOUR COMPUTER
WITHOUT ELECTRICITY?

3. WE SHOULD BE FAMILIAR
WITH ELECTRIC CURRENT,
VOLTAGE, RESISTANCE.
YOU WILL LEARN SOME
SAFETY PRECUTIONARY
MEASURE ABOUT ELECTRICITY.

4. AT THE END OF THE DISCUSIONS YOU
SHOULD BE ABLE TO ASWER THE
FOLLOWING QUESTION?
HOW DO VOLTAGE AND
RESISTANCE AFFECT ELECTRIC
CURRENT?
WHAT ARE THE SAFETY
PRECAUTIONARY NEEDED IN
USING ELECTRICITY?

5. CIRCUIT
IS ANY ARRANGEMENT
OF A SOURCE OF ENERGY
(BATTERY), CONNECTING
WIRES AND A LOAD
(BULB).

6. ELECTRIC CURRENT
IS A MEASURE OF THE NUMBER
OF ELECTRIC CHARGES PASSING
THROUGH A CROSS SECTION OF
A CONDUCTOR IN A GIVEN TIME.

7. THE DIRECTION OF
THE CONVENTIONAL
CURRENT OR
CURRENT IS FROM THE
POSITIVE TERMINAL
OF THE BATTERY TO
NEGATIVE TERMINAL.

8. THE SYMBOL FOR CURRENT
IS CAPITAL LETTER I.
THE UNIT FOR CURRENT IS
AMPERE, NAMED AFTER
ANDRE-MARIE AMPERE

9. ANDRE-MARIE AMPERE
A FRENCH PHYSICIST
WHO MADE IMPORTANT
CONTRIBUTIONS TO THE
THEORY OF ELECTRICITY
AND MAGNETISM

10. AMMETER
IT IS A DEVICE
THAT MEASURES
ELECTRIC
CURRENT.

11. HOW AMMETER CONNECTED IN A
CIRCUIT?
THE POSITIVE TERMINAL OF THE
AMMETER IS CONNECTED TO THE
OSITUVE TERMINAL OF THE ENERGY
SOURCE WHILE THE NEGATIVE
TERMINAL IS CONNECTED TO THE
NEGATIVE TERMINAL OF THE
ENERGY SOURCE.