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Electric Circuits
Page 3
Questions (770)
Avery is experimenting with a simple circuit. She measures the current in the circuit three different times with a different
1 answer
asked by
kali
116 views
the time taken for the p.d across the capacitor plats to fall to 7.5v (take £r for polythene as 2.3 £o as 8.85×10-12F/M and
1 answer
asked by
Eyerusalem
71 views
What happens to the current flowing through a circuit as resistance increases?
a It increases. b It decreases. c It stays the
1 answer
asked by
no name
131 views
What is the relationship between voltage and current (assuming the resistance stays the same)?
a If the voltage decreases, the
1 answer
asked by
kali
108 views
The current running through a circuit is 10 amps from a 5 V battery. Calculate the resistance.
a 2 Ohms b 0.5 Ohms c Not enough
1 answer
asked by
LUNE
86 views
A 30Ω resistor is connected in parallel with a variable resistor R. the parallel combination is then connected in
series with a
2 answers
asked by
qwe
1,169 views
Sam, an electrician, wraps a copper wire with a thick plastic coating. What is he most likely trying to do?
a increase the
1 answer
asked by
no name
85 views
Which is NOT an advantage of a series circuit?
a They are circuits so that if one section of the circuit fails, the whole circuit
2 answers
asked by
no name
100 views
What happens to the current flowing through a circuit as resistance increases?
a It increases b It reverses direction c It stays
1 answer
asked by
social studies
67 views
Why do we include a rheostat In the circuit
2 answers
asked by
Promise
79 views
44. The capacitor, C = 175 p.f is
connected to a source of alternating e.m.f of r.m.s value 250V and e.m.f of r.m.s value 250V
2 answers
asked anonymously
65 views
Additionally in this type of circuit, the bulbs will burn _____.
1 answer
asked by
T
34 views
Build a series circuit with the simulation intro that illustrates the function of a fuse. Your circuit should include all of the
1 answer
asked by
ok
82 views
Two electrical circuits have the same 15-volt batteries. Circuit A has 2 ohms of resistance, and circuit B has 6 ohms of
6 answers
asked by
Lilly
3,246 views
The diagram shows two circuits.
Which statement correctly describes each circuit? a The bulbs in both circuits are connected in
1 answer
asked by
A
169 views
If A1 = 4A, A2 = 2A and A3 = 2A, what would A4 read? if connected in parallel.
1 answer
asked by
ahaahah
75 views
If A1 = 3.6A and A2 = 2A, what would A3 read? if ammeters are connected in series.
1 answer
asked by
ahaahah
97 views
If A1 = 3.6A and A2 = 2A, what would A3 read? if ammeters are connected in parallel.
1 answer
asked by
ahaahah
65 views
In a parallel circuit the potential difference is _________ across the components?
1. the same 2. different
1 answer
asked by
asjdhwuei
73 views
If the current in the main part of the circuit is 4.0A, the current through each of the two identical bulbs is...
1 answer
asked by
asjdhwuei
71 views
An electric circuit has an expected current of 80 amps. An electrician measures the current in the circuit at 120 amps. Which
1 answer
asked by
..
199 views
There are 3 sources of resistance in a parellel circuit. Two of them are rated at 20 ohms, the other at 10 ohms.What is the
4 answers
asked by
Linda Emory
92 views
For components in parallel the potential difference is...
1 answer
asked by
asjdhwuei
84 views
Use the information in the table about four different electric circuits to answer the question.
Circuit Resistance (ohms) Voltage
10 answers
asked by
**** connexus
535 views
Avery is experimenting with a simple circuit. She measures the current in the circuit three different times with a different
1 answer
asked by
6
119 views
Avery is experimenting with a simple circuit. She measures the current in the circuit three different times with a different
1 answer
asked by
shoto
279 views
What happens to the current flowing through a circuit as resistance increases?
a It stays the same b It increases c It reverses
1 answer
asked by
re
86 views
The current running through a circuit is 10 amps from a 5 V battery. Calculate the resistance.
a 0.5 Ohms b 50 Ohms c 2 Ohms d
1 answer
asked by
re
141 views
In an electric circuit, which of these is the load?(1 point)
Responses on-off switch on-off switch battery battery fan fan wiring
3 answers
asked by
A
115 views
What is the relationship between line voltage and phase voltage in a star connected system
1 answer
asked by
Gift
54 views
A series circuit consists of a 12V source, a 470ohm resistor(R1), a 330ohm resistor(R2) and a diode. If the diode is reverse
3 answers
asked by
Claire
1,276 views
A resistor has a resistance R, and a battery has an internal resistance r. When the resistor is connected across the battery,
4 answers
asked by
ALan
1,600 views
Which of the following best describes an electric circuit that powers a load?(1 point)
Responses Electric current flows from an
4 answers
asked by
the real BARNY THE DINO :)
613 views
TWO series capacitors ( one 1 microFarad, the other of unknown value ) are charged from a 12 Voltage source. The 1 microFarad
4 answers
asked by
UNKNOWN
1,288 views
A 3 ohm, a 5 ohm, and a 4 ohm resistor are connected in series across a battery. The voltage drop across a 3 ohm resistor is 6
7 answers
asked by
Camille
7,928 views
3. A 15.0 ohm resistor is connected in series to a 120 V generator and two 10.0 ohm resistors that are connected in parallel to
4 answers
asked by
Bridget
2,200 views
One light bulb in a string of lights goes out this causes all other lights in string to go out. This is example of
A. Resistor B.
27 answers
asked by
BUBBLES
15,211 views
Two electrical circuits have the same 15-volt batteries. Circuit A has 2 ohms of resistance, and circuit B has 6 ohms of
4 answers
asked by
Zoe13
1,100 views
There are several fundamental principles
that can be used to explain much about the characleristics of electric circuits.
4 answers
asked by
Help with this question
842 views
Charge Q coulombs at time t seconds is given by the differential equation:
0 C Q dt dQ R where C is the capacitance in
4 answers
asked by
Karl Haxell
920 views
When 2 resistors, R1 and R2 are connected in series across a 6V battery the potential difference across R1 is 4V. When R1 and R2
4 answers
asked by
Lisa
2,253 views
Which choice most accurately defines resistance and voltage of a circuit?
Resistance can be defined as the potential difference
4 answers
asked by
HELP!
1,586 views
what is the resistance if a circuit with 120v and 5A
its 24 how do i make a diagram of a circuit based on the info above
4 answers
asked by
Adam
2,522 views
1. A kitchen ceiling light has five light bulbs on it. When one of the lights goes out, the other four bulbs stay lit. This is
25 answers
asked by
Chloé
2,798 views
Four 20 ohm resistors are connected in parallel and the combination is connected to a 20 V emf device. The current in any one of
2 answers
asked by
susane
1,423 views
The total resistance of a series circuit is 500 ohm. What percentage of the total voltage appears across a 22 ohm resistor in
6 answers
asked by
Treavonne
3,498 views
A voltage V across a resistance R generates a current I=V/R. If a constant voltage of 17 volts is put across a resistance that
4 answers
asked by
Ammar
3,717 views
Two resistors Ra= 1.95 ohms and Rb = 0.05 ohms are connected in parallel and take a total of 50A. What is the current trough
5 answers
asked by
Tristan
5,348 views
find the power delivered to an element at t= 5ms if the current entering its positive terminal is i= 5cos60πt Amp and the
4 answers
asked by
Marufa
2,303 views
A battery with EMF 90.0 V has internal resistance R_b = 8.68 Omega.
What is the reading V_v of a voltmeter having total
4 answers
asked by
Spencer
5,894 views
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