D.C. Circuit Flashcards
1
Q
What’s the symbol of LDR, thermistor, diode, LED and Galvanometer
A
2
Q
How to redraw a circuit
A
Step 1: label the 2 required pts as 1 & 2
Step 2: choose a path b/w the 2 required pts (most resistors)
Step 3: label all joints with no resistance b/w as 1/2
Step 4: for every joint (NOT CORNER) after resistors from 1/2, label as 3/4/5… wtv
(Its not 3 after resistors from both 1 & 2, it’s one 3 and one 4)
3
Q
How to plot potential pts of a circuit?
A
Step 1: identify reference pt (earthed pt=0V)
Step 2: find effective R and I flowing thro circuit
Step 3: using I and individual R, find pd across various pts from ref pt
