Answered: Q. No 03: a) You are given length of… | bartleby

Related questions

Question

Q. No 03: a) You are given length of heating wire made of nickel-chromium-iron Alloy called
Nichrome. It has a resistance of 722. Under what circumstances, the wire will dissipate more
power. (a) It is to be connected across a 120 V line. (b) The wire is cut in half pieces and two
halves are connected in parallel across the line?

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

How many electrons pass through a 20-2 resistor in 10 min if there is a potential drop of 120 volts across it? Select one: a. 5.625X1021 21 b. 16.875X10 c. 22.5X1021 21 d. 11.25X10
Giant electric eels can deliver a voltage shock of 5.00 x 102 V and up to 1.00 A of current for a brief time. What is the maximum power a giant electric eel can deliver to its prey during this time? maximum power: W The body of a snorkeler swimming in salt water has a resistance of about 625 Q. If the snorkeler is unfortunate enough to be struck by the eel, what current will flow through her body? current: A A current of about 500 mA can cause heart fibrillation and death if it lasts too long. Is the current through the swimmer in this case large enough to be dangerous? no yes
A lamp (R₁ = 151 ), an electric heater (R₂ = 27 2), and a fan (R3 = 512) are connected in parallel across a 120 V line. (a) What total current is supplied to the circuit? A (b) What is the voltage across the fan? (c) What is the current in the lamp? A (d) What power is expended in the heater? W
Discuss the motion of the bead according to the equation of motionq¨2 − ω2sin2α q = −g cos αas completely as you can. Find explicit solutions. What will happen if the beadis slightly displaced from the point where it has no acceleration.
The resistance of the skin on a person's finger is typically about 37,000 N. How much voltage would be needed to cause a current of 0.001 A to flow into the finger? (This is about enough current to just be felt by most people.) V
A 60W lightbulb in your house is left on for 42 minutes while you do some of your homework. The mains voltage in Australia is 230V. How many electrons pass through the lightbulb in that time?
Determine the magnitude of the current through resistor Ry, shown in the figure below. The batteries have emfs of E₁9.00 V and E₂ 12.00 V and the resistors have values of 11.3 02. R₂ = 20.9 92, and Ry 31.7 0. R₁ R₂ 0.97 A Submit Answer Incorrect. Tries 4/12 Previous Tries Determine the magnitude of the current through resistor R₁. 0.97 A H R3 Submit Answer Incorrect Tries 5/12 Previous Tries Determine the magnitude of the current ugh resistor R₂. 0.22A Submit Answer Incorrect. Tries 4/12 Previous Tries Post Discussion Type here to search IN Aw ING Send Feedt 440 PM
Some light bulbs are connected in parallel to a 120 V source. Each bulb dissipates an average power of 60 W. The circuit has a fuse F that burns out when the current in the circuit exceeds 9 A. Determine the largest number of bulbs, which can be used in this circuit without burning out the fuse.
Two resistors of equal resistance R are connected in parallel across a cell with emf V. What is the value of the current flowing through one of the resistors? Select one: a. V/2R b. 2V/R c. V/R d. R/V
A 20 V battery is connected to a resistor. Neglecting the internal resistance of the battery, the power delivered to the resistor is 10 W. The resistance of this resistor is equal to a. 40 0 Ob.3.0 2 OC. 0.02 n d. 0.33 0
008 A length of metal wire has a radius of 0.004 m and a resistance of 0.11 2. When the potential difference across the wire is 17 V, the electron drift speed is found to be 0.000353 m/s. Based on these data, calculate the density of free electron in the wire. The fundamental charge is 1.6 × 10 Answer in units of m ¬19 C.
Q8. A 4 µF capacitor is charged to 24 V and then connected across a 200 2 resistor. Find (a) the initial charge on the capacitor (b) the initial current through the 200 2 resistor, (c) the time constant, (d) the charge on the capacitor after 4 ms. and

SEE MORE QUESTIONS