What was the resistance of the original circuit

Reference no: EM13503864

The current in a simple series circuit is 5.40 A. When an additional resistance of 8.60 ohms is inserted, the current drops to 4.40 A. What was the resistance (in ohms) of the original circuit?

Reference no: EM13503864

Questions Cloud

Estimate the length of the pendulum : The maximum speed of the pendulum bob in a grandfather clock is 0.45 m/s. what is the length of the pendulum

Explain the blade of an ice skate is ground to a knife edge : The blade of an ice skate is ground to a knife edge on each side of the skate. If the width of the knife edge is 0.001in., and the length of the skate in contact with the ice is 3 in., calculate the pressure exerted on the ice by a 150lb man.

How high up the ramp does the ball roll : A ball (spherical shell of mass M and radius R) rolls without slipping up a ramp. If the ball's initial speed is v, how high up the ramp does the ball roll

Explain the concentrations of the ionic species : Determine the concentrations of the following ionic species present in a 0.333 M solution of the diprotic acid H2SO3. For H2SO3, Ka1 = 1.4E-2, Ka2 = 6.3E-8.

What was the resistance of the original circuit : The current in a simple series circuit is 5.40 A. When an additional resistance of 8.60 ohms is inserted, What was the resistance (in ohms) of the original circuit

Explain gibbs energy of a certain constant-pressure process : The change in the Gibbs energy of a certain constant-pressure process as a function of temperature was found to fit the expression ?G (J K-1)=-73.1 J +42.8T. Calculate the value of S for the process.

Determine the work done by the air on the lungs : A person takes in a breath of -2 degrees C air and holds it until it warms to 37.5 degrees C. Determine the work done by the air on the lungs

Explain the milky jiuce that exudes from unripe poppy : The addictive painkiller morphine, C17H19NO3, is the principal molecule in the milky jiuce that exudes from unripe poppy seed capsules. Calculate the pH of a 0.0227 M solution of morphine, given that Kb = 7.9E-7.?

Evaluate the size of a hydrogen atom : Calculate the 'size' of a hydrogen atom in its ground state according to this definition. Go on to explore how the 'size' varies as the definition is changed to other precentages, and plot your conclusion.

User Account

All Pages