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Electric Circuits
Page 7
Questions (787)
When potential difference across the terminals of a battery is measured using an analogue voltmeter of resistance 95 ohms, the
2 answers
asked by
Ari
615 views
If the current flowing through an element is given by: I(t) =3t A, 0≤t<6seconds
I(t) =18A, 6≤t<10seconds I(t) =-12A,
2 answers
asked by
Ekenu
501 views
Given V = 60 volts of an outlet in a select country, and I = 0.5 amps are being pulled to the 60 watt bulb, solve V = IR in
7 answers
asked anonymously
55 views
A defibrillator passes a brief burst of current through the heart to restore normal beating. In one such defibrillator, a 47.0
3 answers
asked by
Tina
797 views
A 20v battery with an internal resistance of 5ohm is connected to a resistance of x ohm if an additional 6ohm resistance is
3 answers
asked by
Anonymous
1,558 views
Consider a c-Si solar cell whose fingers have a resistance R=0.1Ω. What would be the finger's resistance (in Ω) if the
2 answers
asked by
pritam
523 views
An electric heater of power 2500 W is connected to a voltage of 230 V.
i) Calculate the electric current going through the
3 answers
asked by
karem
585 views
How long does it take for a 10 motivated capacitor with a 1 megaohm resistor in series to charge to 67% (1 time constant) of the
4 answers
asked by
Pete
448 views
A 20.0-Ù resistor and a 45.0-Ù resistor in parallel are connected to a 120-V dc source.
(a) What is (are) the current(s)
2 answers
asked by
Brian
584 views
(dot) webassign (dot) net / s e r c p 9 / 1 8 - p - 0 2 1 - a l t . g i f
Determine... (a) the current in each resistor (Indicate
1 answer
asked by
Anonymous
486 views
four 240ohms light bulb are connected in series, what is the total resistance of the circuit and what is their resistance if
2 answers
asked by
Donita
602 views
A battery of 9 V charges a capacitor of 47 ìF through a resistor.
What resistor value needs to be used to obtain a voltage
2 answers
asked by
john
486 views
Which of the following is a conducting loop in which electrons carrying electric energy may be transferred from a suitable
2 answers
asked by
A-Yo
512 views
In a simple electric circuit 1.6 J of energy are supplied to a lamp in 0.10 s. The charge transferred through the circuit is
1 answer
asked by
Joyce
411 views
The potential difference between the anode and the cathode of a vacuum tube is 2.0 x 10^2 V. Free electrons originate at the
2 answers
asked by
Joyce
622 views
if three resistors are connected in parallel there are 10 ohm 20 ohm and 60 ohm to a battery of 12 volt then find the effective
2 answers
asked by
Bhharti
536 views
In a series RL circuit, the highest component voltage drop will be across the component with the _ resistance or reactance.
1 answer
asked by
Anonymous
347 views
1. The batteries in a digital alarm clock provide a terminal voltage of 9 V. What is the potential difference across the entire
1 answer
asked by
nnd
496 views
Two resistors in series, R1 and R2, have a total resistance of 1,600 ohms. The resistance of R2 is 560 ohms less than twice R1.
1 answer
asked by
Ryan
423 views
Three identical light bulbs are connected in series, then are disconnected and arranged in parallel. For each of the scenarios
2 answers
asked by
Ciara
911 views
An electric bulb is marked 220v60w. An ammeter in the circuit shows the bulb uses a current of 0.2727A. The bulb burns for an
2 answers
asked by
owamiii
559 views
A series circuit consists of a resister with R = 200 ohm, an inductor with L = 1H, a capacitor with C = 0.002F, and a 12V
2 answers
asked by
gourav
573 views
A series circuit consist of a resister with R = 200ohm, an inductor with L = 1H, a capacitor with C = 0.002F, and a 12V
1 answer
asked by
gourav
471 views
Four resistors , each of 240ohms are connected in parallel , and the group then joined in series with a heater of 40ohms
2 answers
asked by
Achwil Solo
536 views
1. Given t1/2 to be 0.0137 seconds, how long should it take to reach 87.5% of maximum charge?
2. Let's say you measure t1/2 to be
2 answers
asked by
B
547 views
A light bulb rated by the manufacturer as using and average power of 128.0 W when connected to a 73.0 Hz power source having a
2 answers
asked by
Amanda
549 views
if the current is one half ampere when the resistance is 240 ohms, what is the current when the resistance is 540 ohms?
2 answers
asked by
vincent
757 views
if a certain number of equal resistors are wired in series across a certain voltage source, determine how much voltage is across
1 answer
asked by
patrena
383 views
Two conducting rails 39.2 cm apart rest on a 4.11° ramp. They are joined at the bottom by a 0.520 Ω resistor, and at the top a
3 answers
asked by
Ashton
1,765 views
A 40uf parallel plate capacitor is charged to 12v. The capacitor is removed from the battery and the separation distance
1 answer
asked by
david
753 views
What is the current in the circuit if R1=7 R 2 =15, and the voltage is 220 volts? Is the answer 10 amps, 12 amps, 20 amps or 242
2 answers
asked by
Jenny 2
531 views
If the total resistance in the circuit if 18, and the current is 0.5 Amps, what must the voltage be?
3 answers
asked by
Jenny 2
475 views
A battery is connected in series with a R = 0.26 Ω resistor and an inductor, as shown in the figure below. The switch is closed
2 answers
asked by
juan p
905 views
What is the way to set up an electric circuit with a filament lamp, switch, battery, ohmmeter, voltmeter and variable resistor
1 answer
asked by
Monika
999 views
A potential difference of 12.0V is maintained across an electrical device with a resistance of 10.0Ω. What total charge passes
4 answers
asked by
manu
461 views
1. A student studying a circuit diagram of a lightbulb, battery, and a switch correctly identifies it as a closer circuit. In
4 answers
asked by
Jay
2,331 views
An uncharged 3.20-μF capacitor is in series, through a switch, with a 5.55-M Ω resistor and a 36.0- V battery (with negligible
1 answer
asked by
Van
482 views
If I2=2mA, I4=4mA, and I6=6mA, find I1,I3, and I5 ??
1 answer
asked by
NONO
366 views
Pure copper wire of diameter = 2.0 mm has an electrical resistance, R, of 0.005 ohm/m (upside down U/m). p = 8900 kg/ m cubed,
1 answer
asked by
Joy
1,129 views
Pure copper wire of diameter = 2.0 mm has an electrical resistance, R, of 0.005 ohm/m (upside down U/m). p = 8900 kg/ m cubed,
1 answer
asked by
Joy
454 views
An A.c circuit consist of 3uf capacitor and 500ohm resistor in series. If the current voltage applied is 12v and and frequency
2 answers
asked by
ogunleye seun
707 views
Which statement about the relationship between resistance and current in an electric circuit is correct? (1 point)
As the
2 answers
asked by
Connections Academy Student
2,966 views
Which part of an electric circuit resists the flow of charge when it changes electrical energy into other forms of energy?
A.
2 answers
asked by
bubbie
552 views
Rseries=R1+R2 =15ohms+10ohms =25ohms
1 answer
asked by
Hellen
332 views
You are in the lab with a 10 V battery. You have a 10 W light bulb and you want to put 0.75 A of current through the light bulb
2 answers
asked by
michelle
555 views
The antenna broadcasts radio signals at the resonant frequency of the tank circuit. Suppose that a certain tank circuit in a
1 answer
asked by
Please HELP
410 views
When a capacitor , charged to a voltage , is discharged through a resistor , the current will decay exponentially according to
1 answer
asked by
DAVID
441 views
The power P delivered to a load by a current of i amperes through a resistance of 19 ohms, when 110 volts are supplied at one
5 answers
asked by
Ashley
516 views
A length of wire has a radius of 3.00 × 10-3 m and a resistance of 0.200 Ω. When the potential difference across the wire is
3 answers
asked by
samantha
576 views
A 65 V. battery is connected across a 65400 ohm and a 37700 ohm resistor connected in series. What is the per cent error in the
4 answers
asked by
andrew
572 views
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