Lesson 6: Electricity & Circuits
Check Your Understanding
1. Ohm's Law states V = ___
V / R
I × R
P × t
Q × t
2. In a series circuit with R₁=2Ω and R₂=3Ω, total resistance is:
1.2 Ω
5 Ω
6 Ω
0.8 Ω
3. Power formula: P = V × I. If V=10V and I=2A, P = ___
5 W
12 W
20 W
8 W
4. In a parallel circuit, the voltage across each branch is:
Different for each branch
The same for all branches
Zero
Equal to total current