Electrical Engineering - Ohm's Law

Exercise : Ohm's Law - General Questions
11.
A resistance of 3.3 M is connected across a 500 V source. The resulting current is approximately
15.1 µA
151 µA
66 mA
660 mA
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
You are measuring the current in a circuit that is operated on an 18 V battery. The ammeter reads 40 mA. Later you notice the current has dropped to 20 mA. How much has the voltage changed?
9 V
900 mV
0 V
18 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
The current through a flashlight bulb is 40 mA and the total battery voltage is 4.5 V. The resistance of the bulb is approximately
112
11.2
1.2
18
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be?
8 V
320 V
3.2 V
32 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
If 24 V are applied across a resistor and there are 10.9 mA of current, the resistance is
220 k
22 k
2.2 k
220
Answer: Option
Explanation:
No answer description is available. Let's discuss.