EEUTI130_SQ1

According to Ohm’s Law, “At steady-state conditions, the voltage across the resistor is directly proportional to the current flowing through it, provided the temperature remains ________.

Ohm's law is not applicable to electrolytes where enormous ____ are produced on either electrode.

What is the SI unit of power?

How many watts are there in 3 hp?

What is the power absorbed by a 100-ohm load that is connected across a 120-volt source?

• 1.20 watts

• 12000 watts

• 144 watts

• 14400 watts

How much energy is expended when a 5-mW load is used continuously in 1 day?

• 0.12 kWh

• 432 J

• 4.32 ergs

• 12 kWh

Three resistors of 10, 20, and 25 ohms are connected in series across a 90-volt supply. What is the total current in the circuit? Express your answer in 3 decimal places.

Two resistors of 25 ohms and 50 ohms are connected in series across a 48-volt supply. What is the voltage drop in a 50-ohm resistor?

• 16 volts

• 32 volts

• 24 volts

• 36 volts

Four resistors of 5, 10, 12, and 16 ohms are connected in parallel. What is the equivalent resistance in ohms? Express your answer in 3 decimal places.

Two resistors of 25 ohms and 50 ohms are connected in parallel across a current source that supplies a total current of 30 amperes. What is the current in the 25-ohm resistor?

• 20 A

• 10 A

• 12 A

• 18 A