A flash unit for a camera has a capacitance of 1300 μF . What resistance is...
A flash unit for a camera has a capacitance of 1300 μF .
What resistance is needed in this RC circuit if the flash is to charge to 90% of its full charge in 22 s ?
Homework Answers
Add Answer to:
A flash unit for a camera has a capacitance of 1300 μF
.
What resistance is...
a flash unit for a camera has a capacitance of 1200μF. what resistance is needed in...
a flash unit for a camera has a capacitance of 1200μF. what resistance is needed in this RC circuit if the flash isto charge to 90% of its full charge in 20s? R=
The RC charging circuit in a camera flash unit has a voltage source of 275 V...
The RC charging circuit in a camera flash unit has a voltage
source of 275 V and a capacitance of 125F.
Find its resistance R if the capacitor charges to 90% of its
final value in 15 s.
Find the average current delivered to the flash bulb if the
capacitor discharges 90% of its full charge in 1.00 ms.
A flash unit for a camera has a capacitance of 1500 ?F and resistance of 43...
A flash unit for a camera has a capacitance of 1500 ?F and resistance of 43 ?. How long will it take the unit to discharge to 40% of its original capacity? (in s)
Hi please help me do this problem and show your work. Thank you! Problem 21.79 <...
Hi please help me do this problem and show your work. Thank
you!
Problem 21.79 < 2 of 3 II Review A flash unit for a camera has a capacitance of 1800 uF Part A What resistance is needed in this RC circuit if the flash is to charge to 90% of its full charge in 21 s? Express your answer using two significant figures. ΑΣΦ ? R = 544 k12 Submit Previous Answers Request Answer X Incorrect; Try Again;...
14. A camera flash circuit has an RC time constant of 25.0 ms due to the...
14. A camera flash circuit has an RC time constant of 25.0 ms due to the resistance of the patient and the capacitance of the defibrillator. If the flash’s capacitor has a 1.50uF capacitance, what is the resistance of the bulb? a. b. If the initial voltage is 1200 V, how long does it take to decline to 5V?
10) A camera flash consists of a 120 μF capacitor charged to 220V which discharges through...
10) A camera flash consists of a 120 μF capacitor charged to 220V which discharges through a flashbulb with 5 Ω resistance. What is the time-constant τ of this RC circuit when the flash goes off? How much of the initial stored energy is discharged within 2T? What is the equation for the voltage drop across the capacitor vs. time during the discharge? Make a graph showing this voltage vs. time.
An electronic flash attachment for a camera produces the flash by using the energy stored in...
An electronic flash attachment for a camera produces the flash by using the energy stored in a 750 capacitor. If a 9V battery is used and the circuit has a 4000 ohm resistance, (a) find the time constant (how long does it take the flash to charge to 63% of its final value), (b) what initial current flows when the battery is connected? (c) how long does it take to charge the capacitor if I is constant?
An electronic flash attachment for a camera produces the flash by using the energy stored in...
An electronic flash attachment for a camera produces the flash by using the energy stored in a 750 capacitor. If a 9V battery is used and the circuit has a 4000 ohm resistance, (a) find the time constant (how long does it take the flash to charge to 63% of its final value), (b) what initial current flows when the battery is connected? (c) how long does it take to charge the capacitor if I is constant?
| -/1 points v SERCP11 18.5.P.036. My Notes Ask Your Teacher v The RC charging circuit...
| -/1 points v SERCP11 18.5.P.036. My Notes Ask Your Teacher v The RC charging circuit in a camera flash unit has a voltage source of 285 V and a capacitance of 141 uF. HINT (a) Find its resistance R (in ohms) if the capacitor charges to 90.0% of its final value in 14.2 s. (b) Find the average current (in A) delivered to the flash bulb if the capacitor discharges 90.0% of its full charge in 1.34 ms. ГА
the flash unit on a camera operates by storing The flash unit on a camera operates...
the flash unit on a camera operates by storing
The flash unit on a camera operates by storing charge on a s, JC) at time t (measured in seconds) t 0.00 0.02 0.04 0.06 0.08 0.10 102.03 87.04 75.62 65.11 56.05 48.2 (a) Use a graphing calculator or computer to find an exponential model for the charge. (Round your coefficients to three significant digits.) ore)- (b) The derivative represents the electric current (measured in microan peres, μΑ) no eng from...
The RC charging circuit in a camera flash unit has a voltage
source of 275 V and a capacitance of 125F.
Find its resistance R if the capacitor charges to 90% of its
final value in 15 s.
Find the average current delivered to the flash bulb if the
capacitor discharges 90% of its full charge in 1.00 ms.
Hi please help me do this problem and show your work. Thank
you!
Problem 21.79 < 2 of 3 II Review A flash unit for a camera has a capacitance of 1800 uF Part A What resistance is needed in this RC circuit if the flash is to charge to 90% of its full charge in 21 s? Express your answer using two significant figures. ΑΣΦ ? R = 544 k12 Submit Previous Answers Request Answer X Incorrect; Try Again;...
14. A camera flash circuit has an RC time constant of 25.0 ms due to the resistance of the patient and the capacitance of the defibrillator. If the flash’s capacitor has a 1.50uF capacitance, what is the resistance of the bulb? a. b. If the initial voltage is 1200 V, how long does it take to decline to 5V?
10) A camera flash consists of a 120 μF capacitor charged to 220V which discharges through a flashbulb with 5 Ω resistance. What is the time-constant τ of this RC circuit when the flash goes off? How much of the initial stored energy is discharged within 2T? What is the equation for the voltage drop across the capacitor vs. time during the discharge? Make a graph showing this voltage vs. time.
An electronic flash attachment for a camera produces the flash by using the energy stored in a 750 capacitor. If a 9V battery is used and the circuit has a 4000 ohm resistance, (a) find the time constant (how long does it take the flash to charge to 63% of its final value), (b) what initial current flows when the battery is connected? (c) how long does it take to charge the capacitor if I is constant?
An electronic flash attachment for a camera produces the flash by using the energy stored in a 750 capacitor. If a 9V battery is used and the circuit has a 4000 ohm resistance, (a) find the time constant (how long does it take the flash to charge to 63% of its final value), (b) what initial current flows when the battery is connected? (c) how long does it take to charge the capacitor if I is constant?
| -/1 points v SERCP11 18.5.P.036. My Notes Ask Your Teacher v The RC charging circuit in a camera flash unit has a voltage source of 285 V and a capacitance of 141 uF. HINT (a) Find its resistance R (in ohms) if the capacitor charges to 90.0% of its final value in 14.2 s. (b) Find the average current (in A) delivered to the flash bulb if the capacitor discharges 90.0% of its full charge in 1.34 ms. ГА
the flash unit on a camera operates by storing
The flash unit on a camera operates by storing charge on a s, JC) at time t (measured in seconds) t 0.00 0.02 0.04 0.06 0.08 0.10 102.03 87.04 75.62 65.11 56.05 48.2 (a) Use a graphing calculator or computer to find an exponential model for the charge. (Round your coefficients to three significant digits.) ore)- (b) The derivative represents the electric current (measured in microan peres, μΑ) no eng from...
Most questions answered within 3 hours.
-
A pendulum is made up of a small sphere of mass 0.500 kg
attached to a...
asked 1 minute ago -
Given a pn junction with both thin p-type and n-type materials
such that Wn and Wp...
asked 1 minute ago -
it was discussed that animals should be treated the same as
humans, that pain is pain,...
asked 2 minutes ago -
The vapor pressure of water at 20°C is 17.54 torr. Calculate the
vapor pressure (in torr)...
asked 23 minutes ago -
In python:
Create a list called numten that contains ten numbers go through
the list and...
asked 15 minutes ago -
Suppose you just bought the new Windoze 8 and that you realize
that it really sucks....
asked 17 minutes ago -
Hi,
can someone please explain to me the time complexity of an
algorithm specially big O...
asked 24 minutes ago -
Python
Prompt the
user to enter a step size to step down by. Write a while
loop...
asked 23 minutes ago -
Demonstrate the power of the Containment Theory of Walter
Reckless with regard to the idea of...
asked 36 minutes ago -
Case 3: New Retail Strategy
September 2010: American retailers are cutting expenses to
maintain stable profits...
asked 45 minutes ago -
What do you expect to happen when acetylacetone reacts with a
base? Draw structures of the...
asked 45 minutes ago -
What is meant by biocultural evolution? what examples will
better describe how it might have influenced...
asked 1 hour ago