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��ǧ�÷��俿��úǧ�� Ŵ��ͧ��俿�ҷ��ǧ�ù�� ӧҹ ��·ҧ俿��

1. �ç�ѹ俿�� ��ç��͹俿�� ¶֧�ç��ѹ��俿��ż�ҹ��ҹ�ҹ�ͧǧ�� ᷹��µ�� E ��˹��Ѵ��ŷ� (V)

2. ��俿�� ��¶֧��͹��ͧ��Ť��͹��Шҡ�е��˹��ѧ�е��˹�� ҡ��͹��¢��Ѻ��ҹ�ҹ�ͧǧ�� ᷹��µ�� I ��˹��Ѵ�� (A)

3. ��ҹ�ҹ俿�� ��¶֧��Ƿ��ҹ��Ţͧ��俿��㹨ӹǹ�ӡѴ �� ٻ�ͧ��ͧ��俿�ҷء��Դ �� Ǵ��͹�ͧ��մ ��ا�� ʹ俿�� 繵� ��ͧ��俿��ҹ��ҹ��Ţͧ��俿��㹨ӹǹ�ӡѴ ��᷹��µ�� R ��˹��Ѵ�� (W )

4. ��ѧ�ҹ俿�� ��¶֧�ѵ�ҡ��¹�ŧ��ѧ�ҹ ��ѵ�ҡ�÷ӧҹ ��ҡ�Ťٳ�ͧ�ç�ѹ俿�ҡѺ��俿�� ᷹��µ�� P ��˹��Ѵ��ѵ�� (W)

5. ��ѧ�ҹ俿�� ��¶֧��ѧ俿�ҷ��˹�� ˹��Ѵ��ѵ�� (Wh) ��ٹԵ ��᷹��µ�� W

6. 俿��Ѵǧ��俿�Ҫ�͵ ��¶֧��÷��俿��ż�ҹ�ҡ��俿��˹��ѧ�ա��˹�� ҹ��ͧ��俿��Ŵ�� ˵��ǹ�˭��Դ�ҡ��ǹ�ͧ��俿�Ҫ��ش ��ʡѹ�֧�դ��͹�٧ �ջ�С�� Դ��ԧ��Һ��ǳ��ʴ��

7. 俿�Ҵٴ
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8. 俿�� ��¶֧��俿��鹷��俨��ǹ��Тͧ��ͧ��俿�� ´Թ��з��Ѻ�ѹ�� ´Թ��з��俿�ҷ��ŧ�Թ᷹

9. 俿��Թ ��¶֧��俿��Թ��Ң�Ҵ�ͧ�ػ�ó�Ѵ�͹�ҧ俿�� ա�ûŴǧ��俿�� ҡ�ù��ѧࡵ��ͨ��Դ��ѧ�ҡ��Դ��俿��ѡ�� Ҩ�ҹ��¹ҷը֧�е�Ǩ�ͺ��

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��Һ�� 俿��Դ��ҧ�� ҾԨ�óҡѹ�� "��俿�Ҥ��"

�ҡ��ҡ��ó�ҧ俿�ҵ�ҧ� ��Դ�� о��˵��Ҩҡ��Ţͧ俿�� 俿�ҷ��͹��դس��ѵԵç��Ѻ俿��ʶԵ�� ¡�� 俿��͹��
��俷��价Ӵ��Ǵ��ǹ� �� зͧᴧ�� е��ͧ��硵�͹�� ִ�蹡Ѻ�е�� ֧��͹��ҧ�� ջ�Ш�ź�� 硵�͹�� 1 ��Ǩж١�֧��һ�Ш�俿�Һǡ ��ǡѺ��Ш�俿�Һǡ��繡�ҧ �ѧ�� 硵�͹��͹�� Դ��Ҿ�Ҵ��硵�͹�֧��»�Ш�俿��ź�͡�᷹�� Դ��Ţͧ��硵�͹��俨��һ�Ш�俿�Һǡ�ж١��繡�ҧ�� ͹��ͧ��硵�͹��͡��Ţͧ��硵�͹��俹��¡�� ��俿�� (Electric Current)

��Ѻ㹵�ǹӷ��繢ͧ�� ��俿��Դ�ҡ��Ţͧ��硵�͹ ��硵�͹��Ũҡ��ź��Ң��Ǻǡ�� 㹵�ǹӷ��繢ͧ��С�ҫ ��俿��Դ�ҡ��͹��ͧ��硵�͹�Ѻ�õ͹ �¨��͹��Ң��俿�ҷ��ջ�Шصç��
��Ҩ��¡�� 俿�Ҥ�͡��Ţͧ��硵�͹�� ȷҧ�ͧ��俿�Ҩеç��Ѻ��Ţͧ��硵�͹

��Ҵ�ͧ��俿�ҷ��俿�ҹ�� ˹��ҡ��ҳ�ͧ��Ш�俿�ҷ��ż�ҹ�ش�� Ǵ� 1 �Թҷ� ��˹�� �� (Ampere ��᷹�� A)
��俿�� 1 �� 俿�ҷ��ż�ҹ��ǹ�俿�� 2 ��Ƿ��ҧ��ҹ�ѹ��ҧ 1 �� Ƿ��Դ�ç��е�ǹ��ҡѺ 2 x 10-7 ��ǵѹ�� ҡѺ��Ш�俿�� 1 �� º��Ѻ��硵�͹ 6.24 x 1018 ��觼�ҹ� 1 �Թҷ�

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��俿��Դ�ҡ��÷��硵�͹�� 觡�÷��硵�͹��͹��鹨е�ͧ��ç�ҡ�зӵ��硵�͹��Դ�� ç�ѧ��ǹ��¡�� �ç�ѹ俿�� (Voltage)
�ѡ��俿�� ��ա��˹�觷��¡Ѻ�ç�ѹ俿�� ¶֧ �дѺ俿�� ١�� 1 �ջ�Ш�俿�Һǡ��ѡ��俿��٧ ��ǹ�١�� 2 �ջ�Ш�俿��ź��ѡ��俿�ҵ�� ѧ�� ١�� 1 �� 2 �֧�դ��ᵡ��ҧ�ͧ�ѡ��俿�� ¡�� ��ҧ�ѡ��俿��
�ç�Ѻ��͹�ҧ俿�� ��¶֧ �ç��ҧ��Դ�ç�ѹ俿�ҫ�觷��Դ��͹��ͧ��硵�͹��е�ʹ�� 俿�Ҩ֧��ŵ�ʹ�� ç��͹俿�ҹ��Ҩ�Դ�ҡ��ͧ��Դ俿��, ẵ��, ��ҹ俩�� ԧ ��
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�ç�ѹ俿�� 1 ��ŵ� �� ç�ѹ��俿�� 1 ��ż�ҹ��㹤��ҹ�ҹ 1 ��

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˹��¢ͧ��ҹ�ҹ俿�� (Ohm ᷹��ѭ�ѡɳ� Ω)
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�ѵ��Ъ�Դ��俿��ż�ҹ��ᵡ��ҧ�ѹ �ѵ�ط��俿��ż�ҹ�� ¡�� ��ǹ�俿�� (Conductor) �� ͧᴧ, �Թ, ��, ��¢ͧ�ô��, �ô��жѹ ��й�� Ѻ�ѵ�ط��ż�ҹ��ż�ҹ��ҡ ��¡�� ��ǹ俿�� (Insulator) �� ʵԡ, �ҧ, �� С�д�� ͡�ҡ��ѧ��ѵ��ա��Դ˹�觷��դس��ѵ��ҧ��ǹ�俿��Щ�ǹ俿�� ¡�� ��á�觵�ǹ� (Semiconductor) ��ѵ�ط��俿��ż�ҹ��ö�Ǻ��ż�ҹ�� ͹, ��Ԥ͹ ��
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