Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Physics
A cylindrical resistor has a resistance of 262 Ohms. What is the resistance (in Ohms) if the radius is increased by a factor of 5.80 ?
1 answer
see previous problem
You can
ask a new question
or
answer this question
.
Similar Questions
A cylindrical resistor has a resistance of 217 Ohms. What is the resistance (in Ohms) if the length is increased by a factor of
Top answer:
assuming uniform density, then R is proportional to the length
Read more.
A potentiometer circuit consists of a battery of e.m.f 5v and internal resistance 10 ohms connected in series with a 30 ohms
Top answer:
A potentiometer circuit consists of a battery of emf 5v and internal resistance 1.0 ohm connected in
Read more.
A resistor has a resistance of 15 ohms. What size of resistor, (r2), should be connected in parallel with it to obtain a
Top answer:
just plug and chug: 1/7 = 1/r2 + 1/15 1/7 - 1/15 = 1/r2 8/105 = 1/r2 r2 = 105/8 = 13.125
Read more.
there are three sources of resistance in a parallel ciruit. Two of them are rated at 20ohms, the other at ohms. What is the
Top answer:
letter B
Read more.
Collect data: Measure the current in the circuit using the resistor and voltage combinations given below.
Voltage 10 volts 20
Top answer:
To find the resistance of the light bulb, we can use Ohm's law: Resistance (R) = Voltage (V) /
Read more.
Three impedences are connected in series across a 200V,50Hz ac supply. The first impedance is a 10 ohm resistor , the second
Top answer:
Z = 10 + (5+j15) + (15-j25) = 30-j10 = 31.6ohms[-18.4o]. I = E/Z = 200[0o]/31.6[-18.4] =
Read more.
The potential differnece across a resistor is 4.4 * 10^2 V. If the resistance of the resistor is 1.8 k ohms, how much current
Top answer:
Of course not. 440 volts divided by 1800 ohm is not 24 amps.
Read more.
I'm totally confused and this is due Monday-
We're dealing with electrical circuits and I have to construct a circuit with
Top answer:
The 20 and 30 ohm resistors in parallel have an equivalent resistance of 12 ohms. Put the 10 and
Read more.
A 5 ohms resistor is connected in parallel with the series assemvly of 2 ohms and 3 ohms resistors. The voltage drop across the
Top answer:
2Ω in series with 3Ω is equivalent to 5Ω so the two parallel branches have the same resistance
Read more.
The constant resistance of a resistor is 30 ohms, independent of the temperature. The resistor is made up of an aluminium
Top answer:
To evaluate the resistances R1 and R2, we need to consider the temperature coefficient of
Read more.
Related Questions
A 15.0 Ohms resistor is connected in series to a 120V generator and two 10.0 Ohms resistors that are connected in parallel to
There are three sources of resistance in a parallel circuit. Two of them are rated at 20 ohms, the other at 10 ohms. What is the
A battery of three cells in series ,each of e.m.f. 2v and internal resistance 0.5 ohms is connected to a 2 ohm resistor in
A simple electric circuit has the following properties:
resistance: 12 ohms voltage: 96 V Which circuit below has the same
Three resistance of 8,12, and 24 ohms are in parallel. This combination is in series with another parallel of 10,10, and 20
The resistance ( R ) to a motion of a car is partly constant and partly varies as the square of the speed ( V ) When the car is
Calculate the resistance in a circuit in which a 9-volt battery produces 3 amperes. A)3 ohms B)6 ohms C)9 ohms D)27 ohms
A platinum coil has a resistance of 3.146(ohms) at 40'C and 3.767(ohms) at 100'C. Find the resistance and the temperature
The total electrical resistance R of two resistors connected in parallel with resistances R1 and R2 is given by 1/R=1/R1+1/R2.
A current of 0.2 amps passes through a 3 ohm resistor. The resistor is connected to a 6v battery and an unknown resistor. what