Login or Sign Up

Ask a New Question

(a) What is the resistance of a 120 , a 2.50 k, and a 4.00 k resistor connected in series?

(b) What is the resistance if they are connected in parallel?

a. add them

b. use the formula:

1/Rt= 1/R1 + 1/R2 + 1/R3

Similar Questions

A storage battery has an emf of 6.3 volts and an internal resistance of 0.01 ohm. it is to be charged for 120 amperes.hours from

Top answer: To solve this problem, we will use the principles of electrical circuits and power calculations. a. Read more.
The heat in unit H produced by a battery current is directly proportional to time t and the square of the voltage v and

Top answer: H = ktV^2/R plug in your point to find k So, HR/tV^2 = k, is constant You want H such that 60H/(3/2 Read more.
(a) What is the hot resistance of a 24 W light bulb that runs on 120 V AC?(b) If the bulb's operating temperature is 2700°C,

Top answer: a. P = V^2/R = 24W. 120^2/R = 24 R = 600 Ohms. . Read more.
(a) What is the hot resistance of a 24 W light bulb that runs on 120 V AC?(b) If the bulb's operating temperature is 2700°C,

Top answer: V^2/R=24 solve for R b. resistance=constant*TempInKelvins This leads us to see resistance is Read more.
A 346 W bulb and a 173 W bulb are bothdesigned to operate at standard household voltage of 120 V. Determine which bulb has the

Top answer: To determine which bulb has the lower filament resistance, we can use Ohm's Law, which states that Read more.
A 75-W, 120-V bulb is connected in parallel with 25-W, 120-V bulb. What is the net resistance?

Top answer: Power = V²/r watts so resistance for the 75W bulb R1 = 120²/75 Ω = 192 Ω Similarly calculate R2 Read more.
A 75-W, 120-V bulb is connected in parallel with 25-W, 120-V bulb. What is the net resistance?

Top answer: P = 75 + 25 = 100 W., Total. P = 120 * I = 100 I = 100/120 = 0.833A R = E/I = 120/0.83333 = 144 Read more.
Eight holiday lights are connected in parallel as shown in Fig.3. a. If the set is connected to a 120 V source, what is the

Top answer: if they are in parallel the same 120 volts is on each i = V/R = 120 volts /(1.8*10^3 Ohms) = 0.0667 Read more.
The current in a circuit is halved. What happens to the resistance?V=IR (1 point) Responses The resistance stays the same. The

Top answer: The resistance stays the same. Read more.
If the resistance of an aluminum wire at room temperature (20°C) is 100 ohm, at what temperature will its resistance increase

Top answer: To solve this problem, we can use the formula for calculating the temperature coefficient of Read more.