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- . All of the electrical outlets in a room are connected in a single parallel circuit (Figure 7.38). The circuit is equipped with a 20-A fuse, and the voltage is 120 V. (a) What is the maximum total power that can be supplied by the outlets without blowing the fuse? (b) How many 1,200-W appliances can be plugged into the sockets without blowing the fuse?(Indicates a review question, which means it requires only a basic understanding of the material to answer. Questions without this designation typically require integrating or extending the concepts presented thus far.) . Six resistors, all having the same temperatures and compositions, are each attached to a battery with voltage V to form a simple circuit. The resistors have different lengths, l, but the same diameters. Rank the circuits according to the current that flows through the resistor from smallest to greatest. If two (or more) circuits have the same current flowing, give them the same ranking. Explain the rationale you used to establish your rankings. Circuit 1: l = 2 cm; V = 3 V Circuit 2: l = 2 cm; V = 6 V Circuit 3: l = 1 cm; V = 3 V Circuit 4: l = 1 cm; V = 6 V Circuit 5: l = 3cm; V = 2 V Circuit 6: l = 3cm; V = 6 VIntegrated Concepts (a) An immersion heater utilizing 120 V can raise the temperature of a 1.00 102 -g aluminum cup containing 350 g of water from 20.0°C to 95.0°C in 2.00 min. Find its resistance, assuming it is constant during the process. (b) A lower resistance would shorten the heating time. Discuss the practical limits to speeding the heating by lowering the resistance.
- Two 3.0 μF capacitors are in series with a resistor of 150 Ω, a battery of15.0 V, and an open switch. What is the time constant of the circuit? Whatis the equation for the current as a function of time?Using the Circuit Construction Kit: DC - Virtual Lab: https://lms.lausd.net/link?a=2627102180&path=https%3A%2F%2Fphet.colorado.edu%2Fsims%2Fhtml%2Fcircuit-construction-kit-dc-virtual-lab%2Flatest%2Fcircuit-construction-kit-dc-virtual-lab_en.html Can you assist me in creating a circuit with three light bulbs (source of resistance) with different resistance in series with one battery - see example above. You can choose any voltage and resistance. Place an ammeter in the circuit before the first light bulb to measure the current through (I) the first bulb. Place an ammeter in the circuit before the other bulbs to measure the current through (I) each of the other bulbs. Place voltmeter probes across each light bulb and record the voltage across (V) each light bulb. Draw a schematic of your circuit with the V, R, and I labeled Create a table to record your measurements. Record for each resistor: R, V, and I like this. R (Ω) I (A) through the resistor V (V) across the…The power goes out in your dorm. You want to run a spaceheater that uses 1500 Watts of power at a voltage of 120 V, so you run a 100 m long 14 gauge copper wire (d = 1.63 mm) to your friend's dorm room, which has not lost power. What effect will the added resistance of the wire have on the power that can be delivered to the spaceheater? (Calculate the power delivered to the space heater.) If your friend has to pay for their electricity at 11 cents per kilowatt hour, calculate how much you would have to pay them if you leave the spaceheater running for 14 hours. Your friend reminds you to include the power dissipated in the cord.
- What is the smallest capacitor needed in a computer power supply in order to produce at least 4.05 V for 0.17 s after the power goes off? Assume that the resistance of all the components of the computer motherboard is 6 Ohms and that the capacitor and motherboard are powered with a 5-Volt power supply. For my answer I got .01706 F which was wrong, When I tried it again I got .03497 F which was also wrong. Can you please help?Why is the usage of Kirchhoff's Laws instrumental in the study of electricity? Isn't the knowledge of series-parallel connection enough to resolve any unknowns on the circuit? Describe loop rule. Show the distinction of its usage on resistors and batteries in a given circuit.In the circuit shown in figure 1, epsilon is equal to 41.0 V, R1= 4 ohms, R2= 6 ohms, and R3= 3 ohms. (D) for the 3 ohm resistor calculate the current through the resistor with S open. (E) what is the potential difference Vabbetween points a and b when the switch S is closed? (F) for the 4 ohm resistor calculate the current through the resistor with S closed. (G) for the 6 ohm resistor calculate the current through the resistor with S closed (H) for the 3 ohm resistor calculate the current through the resistor with S closed. (I) for each resistor, does the current increase or decrease when S is closed?
- In the circuit shown in figure 1, epsilon is equal to 41.0 V, R1= 4 ohms, R2= 6 ohms, and R3= 3 ohms. (A) what is the potential difference Vab between points a and b when the switch S is open? (B) for the 4 ohm resistor, calculate the current through the resistor with S open. (C) for the 6 ohm resistor, calculate the current through the resistor with S open. (D) for the 3 ohm resistor calculate the current through the resistor with S open. (E) what is the potential difference Vab between points a and b when the switch S is closed? (F) for the 4 ohm resistor calculate the current through the resistor with S closed. (G) for the 6 ohm resistor calculate the current through the resistor with S closed (H) for the 3 ohm resistor calculate the current through the resistor with S closed. (I) for each resistor, does the current increase or decrease when S is closed?What voltage will produce 0.4 A of current through a 4800 resistor?The diagram represents an electric circuit consisting of a 12-volt battery, a 3.0-ohm resistor, R1, and a variable resistor, R2. At what value must the variable resistor be set to produce a current of 2.0 A through R1?
