Homework Answers
The current can take different paths in a parallel circuit, the current isn't constant throughout a parallel circuit. Instead, for branches that are connected in parallel with one another, the voltage or potential drop across each branch is constant. This is because the current distributes itself across each branch in amounts that are inversely proportional to the resistance of each branch.
The power dissipated is inversely proportional to resistance of each branch as
P=V^2/R
So it is also varies.
In parallel circuits equivalent resistance is always lesser than the resistance of any one branch.
Hence option (a) potential difference is same
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Question 11 Which of the following describes a characteristics of a parallel circuit? The potential difference...
When resistors are connected in parallel, we can be certain that
When resistors are connected in parallel, we can be certain that:a) their equivalent resistance is greater than the resistance of any one of the individual resistances.b)the potential difference across each is the same.c)the same current flows in each one.d)the power dissipated in each is the same.
All of them 11) 11) The coil of a generator is rotated twice as fast keeping...
All of them
11) 11) The coil of a generator is rotated twice as fast keeping all other factors constant. What happens to the value of the maximum induced emf? A) It is increased by a factor of 4. B) It stays the same. C) It is reduced by a factor of 2 D) It is increased by a factor of 2 E) It is reduced by a factor of 4. 12) The primary codl of a transformer has 100...
For the following circuit, find the following: What is the equivalent resistance? What is the potential...
For the following circuit, find the following: What is the equivalent resistance? What is the potential difference across EACH resistor and the current through EACH resistor? What is the power dissipated by each resistor? For the circuit below, answer the same questions as #1.
When unequal resistors are connected in series across an ideal battery, A) the same power is...
When unequal resistors are connected in series across an ideal battery, A) the same power is dissipated in each one. B) the potential difference across each is the same. C) the current flowing in each is the same. D) the equivalent resistance of the circuit is less than that of the smallest resistor. E) the equivalent resistance of the circuit is equal to the average of all the resistances. A number of resistors are connected across points A and B...
9. Suppose the voltage output of a battery is 10.0V in a parallel circuit, and the...
9. Suppose the voltage output of a battery is 10.0V in a parallel circuit, and the resistances are Ri=4.0012, R2=5.0012, and R3=6.092. b. Draw a diagram of the circuit, and determine the total resistance, the current through each resistor, the voltage drop across each resistor, and the power dissipated by each resistor and the source.
9. Suppose the voltage output of a battery is 10.0V in a parallel circuit, and the...
9. Suppose the voltage output of a battery is 10.0V in a parallel circuit, and the resistances are Ri=4.0022, R2=5.0012 , and R3=6.01 . b. Draw a diagram of the circuit, and determine the total resistance, the current through each resistor, the voltage drop across each resistor, and the power dissipated by each resistor and the source.
8. Suppose the voltage output of a battery is 10.0V in a series circuit, and the...
8. Suppose the voltage output of a battery is 10.0V in a series circuit, and the resistances are Ri=4.0012, R2=5.0092 , and R3=6.092 . Draw a diagram of the circuit, and determine the total resistance, the current through each resistor, the voltage drop across each resistor, and the power dissipated by each resistor and the source. a. 9. Suppose the voltage output of a battery is 10.0V in a parallel circuit, and the resistances are Ri=4.0012, R2=5.0092 , and R3=6.092....
A 20.0- lamp and a 5.0- lamp are connected in series and placed across a potential...
A 20.0- lamp and a
5.0- lamp are
connected in series and placed across a potential difference of
50.0 V. What is
a. the equivalent resistance of the circuit?
b. the current in the circuit?
c. the voltage drop across each lamp?
d.the power dissipated in each lamp?
Three Resistors in Parallel Three resistors are connected in parallel as shown in figure (a). A...
Three Resistors in Parallel Three resistors are connected in parallel as shown in figure (a). A potential difference of 12.0V is maintained between points a and b. Three resistors connected in parallel. The Another circuit with three resistors and a voltage across each resistor is 12.0 V. battery. Is it equivalent to the circuit in (a)? a Ž 3.00 6.00 9.00 3.00 6.00 09.00 (a) Calculate the equivalent resistance of the circuit. SOLUTION Conceptualize Figure (a) shows that we are...
Two resistors having different resistances are connected in parallel. The equivalent resistance is always Select one:...
Two resistors having different resistances are connected in parallel. The equivalent resistance is always Select one: O a. equal to the larger resistance. O b. equal to the smaller resistance. O c. smaller than the smaller resistance. d. between the two resistances. O e. larger than the larger resistance. A battery with potential difference 17.9 V is across two resistors that are in series. The potential difference across one of the resistors is 5.7 V. The potential difference across the...
All of them
11) 11) The coil of a generator is rotated twice as fast keeping all other factors constant. What happens to the value of the maximum induced emf? A) It is increased by a factor of 4. B) It stays the same. C) It is reduced by a factor of 2 D) It is increased by a factor of 2 E) It is reduced by a factor of 4. 12) The primary codl of a transformer has 100...
For the following circuit, find the following: What is the equivalent resistance? What is the potential difference across EACH resistor and the current through EACH resistor? What is the power dissipated by each resistor? For the circuit below, answer the same questions as #1.
When unequal resistors are connected in series across an ideal battery, A) the same power is dissipated in each one. B) the potential difference across each is the same. C) the current flowing in each is the same. D) the equivalent resistance of the circuit is less than that of the smallest resistor. E) the equivalent resistance of the circuit is equal to the average of all the resistances. A number of resistors are connected across points A and B...
9. Suppose the voltage output of a battery is 10.0V in a parallel circuit, and the resistances are Ri=4.0012, R2=5.0012, and R3=6.092. b. Draw a diagram of the circuit, and determine the total resistance, the current through each resistor, the voltage drop across each resistor, and the power dissipated by each resistor and the source.
9. Suppose the voltage output of a battery is 10.0V in a parallel circuit, and the resistances are Ri=4.0022, R2=5.0012 , and R3=6.01 . b. Draw a diagram of the circuit, and determine the total resistance, the current through each resistor, the voltage drop across each resistor, and the power dissipated by each resistor and the source.
8. Suppose the voltage output of a battery is 10.0V in a series circuit, and the resistances are Ri=4.0012, R2=5.0092 , and R3=6.092 . Draw a diagram of the circuit, and determine the total resistance, the current through each resistor, the voltage drop across each resistor, and the power dissipated by each resistor and the source. a. 9. Suppose the voltage output of a battery is 10.0V in a parallel circuit, and the resistances are Ri=4.0012, R2=5.0092 , and R3=6.092....
A 20.0- lamp and a
5.0- lamp are
connected in series and placed across a potential difference of
50.0 V. What is
a. the equivalent resistance of the circuit?
b. the current in the circuit?
c. the voltage drop across each lamp?
d.the power dissipated in each lamp?
Three Resistors in Parallel Three resistors are connected in parallel as shown in figure (a). A potential difference of 12.0V is maintained between points a and b. Three resistors connected in parallel. The Another circuit with three resistors and a voltage across each resistor is 12.0 V. battery. Is it equivalent to the circuit in (a)? a Ž 3.00 6.00 9.00 3.00 6.00 09.00 (a) Calculate the equivalent resistance of the circuit. SOLUTION Conceptualize Figure (a) shows that we are...
Two resistors having different resistances are connected in parallel. The equivalent resistance is always Select one: O a. equal to the larger resistance. O b. equal to the smaller resistance. O c. smaller than the smaller resistance. d. between the two resistances. O e. larger than the larger resistance. A battery with potential difference 17.9 V is across two resistors that are in series. The potential difference across one of the resistors is 5.7 V. The potential difference across the...
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