When delivering 10 amps to an external load the voltage

Assignment Help Mechanical Engineering

Reference no: EM13629248

A battery can be modeled as an ideal source with an internal resistance - a constant voltage source with the resistor in series (the battery terminals correspond to the inlet to the voltage source and the point after the resistor) or a constant current source with a parallel resistor (battery terminals are across the resistor). These models exhibit a drop in terminal voltage as the current provided by the battery increases. Apply this model for the situations described below (start with a diagram):

a) When measured with open circuit (no load - zero current draw) the terminals of a battery show a voltage of 13.6 volts. When delivering 10. amps to an external load, the voltage drops to 11.2 volts. What is the value of the constant voltage source (Vs) and the internal resistance (Rs)? (hint: draw circuit, use KVL & Ohm's law)

b) A car battery has an open circuit voltage of 12.6 Volts. The terminal voltage drops to 9.6 Volts when the battery supplies 60. Amps to a starter motor. Develop a model for the battery which matches these characteristics:

i. using a constant voltage source as part of the model.

ii. using a constant current source as part of the model.

Reference no: EM13629248

Questions Cloud

Find the temperature and the cooling rate of the wire as a : a thin walled tube of inner radius r1 outer radius r2 and initial temperature ti is cooled by a fluid of temperature tf

Te star vega has a measured angular diameter of 324 mas : the star vega has a measured angular diameter of 3.24 mas milliarcseconds and a flux of 2.84 x 10-8 wm2. its distance

The combustion chamber on a jet has air entering at 2 kgs : the combustion chamber on a jet has air entering at 2 kgs and fuel enters through a fuel injector at .07 kgs. determine

A 2000 lbm automobile is driving down a level road at 70 : a 2000 lbm automobile is driving down a level road at 70 mph. the engine is disengaged and the automobile is allowed to

When delivering 10 amps to an external load the voltage : a battery can be modeled as an ideal source with an internal resistance - a constant voltage source with the resistor

A bullet weighing 50 grams and traveling at 200 ms is shot : a bullet weighing 50 grams and traveling at 200 ms is shot into a stationary block of wood weighing 4 kg where it

Determine the final equilibrium temperature of the blocks : two blocks a and b are initially at 100c and 500c respectively. they are brought together and isolated from the

A fan is used to accelerate quiescent air to a velocity to : a fan is used to accelerate quiescent air to a velocity to 12ms at a rate of 3m3min. if the density of air is 1.15kgm3.

A 1 kg projectile is shot straight up from the earths : a 1 kg projectile is shot straight up from the earths surface with a velocity of 100 ms and reaches a height of 300 m

User Account

All Pages