Answered: potentiometer wire of length 100 cm has… | bartleby

Related questions

Question

potentiometer wire of length 100 cm has a resistance of 30 ohms. It is connected in series with a resistance of 20 ohms and accumulator of emf 8V having negligible internal resistance. A source of 1.2V is balanced against a length L of the potentiometer wire. What is the value of L?

a) 20

b) 25

c) 30

d) 35

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

What is the terminal voltage (in V) of a large 1.65 V carbon-zinc dry cell used in a physics lab to supply 1.20 A to a circuit, if the cell's internal resistance is 0.300 Ω? How much electrical power (in W) does the cell produce? What power (in W) goes to its load?
A 120 volt household circuit has a 20 amp circuit breaker (maximum). A 600-Watt heater and a 60 ohm light are connected to this source in parallel: A) What is the current through the 60 ohm light? B) What is the resistance of the 600-Watt heater? C) What is the minimum resistance R which could be used in parallel as a third appliance without tripping the 20 amp circuit breaker?
2.000 3300 where R=1.800. A 1.000 4.000 8.000 An 14.8-V emf is connected to the terminals A and B. What is the current through the 1.80-02 resistor connected directly to point A?