Obtain the internal resistance of the battery

Reference no: EM13267335

A flashlight bulb with a resistance of 40 ohm is powered with a six volt battery and produces .75W power.

a) what is the voltage across the battery terminals when the light bulb is on?

b) what is the internal resistance of the battery?

Reference no: EM13267335

Questions Cloud

Determine how many atoms per unit cell does it have : Polonium (Po) is the only material which forms a simple cubic crystal (i.e., it is not FCC or BCC) structure with atoms at the corner positions. It is a metal (but it is radioactive so it has very few engineering applications!). Its atomic number ..

Calculate the charge stored on one of the capacitor plates : A 19.5 ?F capacitor is fully charged by connecting it to a 14.0 V battery. Calculate the charge stored on one of the capacitor plates

Change to encourage increased affordability : In what ways does the local food system need to change to encourage increased affordability? Use specific details to inform the uninformed reader. Base your response on required readings and additional research.

Describe temperature and pressure remain constant : if temperature and pressure remain constant, how does the volume of a gas sample vary with the number of moles of gas present

Obtain the internal resistance of the battery : A flashlight bulb with a resistance of 40 ohm is powered with a six volt battery and produces .75W power. obtain the internal resistance of the battery

Define what would be the effect on the results of mistakenly : what would be the effect on the results of mistakenly adding 2.43 times 10^-3 g Mg to 4.0 mL of 0.1M hcl rather than to 4.0 mL of 1.0M hcl as instructed

What is the maximum doppler for a vehicle speed : A)what is the maximum Doppler for a vehicle speed of 160 km/hr at 900MHz. B)what is the minimum doppler(most negative for this case) C)for this range of Doppler what is the corresponding speed at 1800MHZ

Compute the position and size of the image of an object : The radii of curvature of the surfaces of a thin converging meniscus lens are R1= 12.0 cm and R2 = 28.0 cm, Compute the position and size of the image of an object in the form of an arrow 5.00 mm tall, perpendicular to the lens axis

Explain under what conditions ts makes the x is periodic : Consider an analog periodic sinusoid x(t)=cos (3*pi*t +pi/4) being sampled using a sampling period Ts to obtain a discrete time signal x(n)=x(t)|t=nTs = cos(3*oi*Ts*n+pi/4). Choose a value of Ts for which the discrete time signal is x(n)

User Account

All Pages