2Write the mathematical formula for Ohm's Law
3What are the three derived formulas from Ohm's Law?
4What is the unit of electrical resistance?
5What is the unit of electrical current?
6What is the unit of electrical voltage?
7If a resistor has 12V across it and carries 3A of current, what is its resistance?
8A 6Ω resistor has 2A flowing through it. What is the voltage drop?
9What current flows through a 10Ω resistor with 5V applied?
10What happens to current if voltage doubles while resistance stays constant?
11What happens to current if resistance doubles while voltage stays constant?
12What is a linear relationship in the context of Ohm's Law?
13What materials follow Ohm's Law?
14What materials do NOT follow Ohm's Law?
15Why might Ohm's Law not apply at very high currents?
16A circuit has 9V battery and total resistance of 3Ω. Find the current.
17Power formula using Ohm's Law: P = ?
18A 100Ω resistor carries 0.1A. What power does it dissipate?
19What is the significance of the V-I characteristic curve?
20In a series circuit with resistors R₁ and R₂, what is the total resistance?
21In a parallel circuit with resistors R₁ and R₂, what is the total resistance?
22A 12V battery powers a series circuit with 4Ω and 8Ω resistors. Find the current.
23What is voltage drop and how is it calculated?
24State Kirchhoff's Voltage Law (KVL)
25A 20V source has a 5Ω and 15Ω resistor in series. Find voltage across each resistor.