Your SlideShare is downloading. ×
Ohm's law, resistors in series or in parallel
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Ohm's law, resistors in series or in parallel

1,736

Published on

Revision and summary.

Revision and summary.

Published in: Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
1,736
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
8
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Revision  notes  Ohm’s  Law:       V I R          Resistors  in  series   Resistors  in  parallel   R1=10ohm R1=10ohm R3=30ohm Same  voltage  across  the  resistors   R2=20ohm R2=20ohm but  different  currents  through   I individual  resistors.   R3=30ohm   Vs=10V  Same  current  through  all  the  resistors  but   Idifferent  voltages  across  individual  resistors.   Vs=10V      Total  resistance  RT   Total  resistance  RT   RT = R1 + R2 + R3 = 10 + 20 + 30 = 60Ω   1 1 1 1 1 1 1 = + + = + + = 0.1+ 0.05 + 0.0333 = 0.1833 RT RT R1 R2 R3 10 20 30   1 ⇒ RT = = 5.46Ω 0.1833 RT I Vs=10V   I Vs=10V  Total  Voltage   Total  and  individual  Voltages  No  need  to  calculate.    Total  voltage    =  10V   No  need  to  calculate.    Voltage  across  each  resistor  =  10V    Total  and  individual  Currents   Total  current   V 10 V 10 I= S = = 0.167A   I= S = = 1.83A   RT 60 RT 5.46Individual  voltages   Individual  currents   I1 R1=10ohm R1=10ohm R3=30ohm R2=20ohm V3 I2 R2=20ohm V1 V2 I   I3 R3=30ohm Vs=10V   I V1 = IR1 = 0.167x10 = 1.67V V2 = IR2 = 0.167x20 = 3.33V   Vs=10V   V3 = IR3 = 0.167x30 = 5V        

×