Required information 1.40 k www 35.00 • 83.0 ΚΩ V * 16.0 ΚΩ where X = 2.80 V. If a voltmeter of resistance 1.00 MQ is connected to measure the voltage across the 83.0-k resistor, what is its reading? Enter the absolute value of the reading.
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- 1. A device may have a region of operation that is Ohmic and another that is not. How owuld V vs. I data show this? 2. Explain what happens to resistance as the filament of an incandescent light bulb heats up?1. Explain in words what will happen to the equivalent resistance as the resistors are added in series? 2. explain in words what will happen to the equivalent resistance as the resistors are added in parallel?2. Consider ten 295 Ω resistors connected together. A.) What would be their resistance, Rs, in kilohms, if they were connected in series? B.) What would be their resistance, Rp, in ohms, if they were connected in parallel?
- 1. Find the equivalent resistance between points a and b in the Figure. 2. If a potential difference of 12.0V is applied across a and b, what is the potential difference across R2? 3. What is the current through R2?1. A wire with a diameter of 0.001 in has an area of how many CM?. Round off your numerical answer, no decimal point. 2. What is the total or equivalent resistance of ten (10) nos of 10-ohm resistors connected in parallel?1. Why is an electromotive force not a “force”? Justify your answer. 2. Are electromotive force and voltage the same? Justify your answer. 3. A battery contains an emf of 20.0 V. Determine the current flowing the circuit once it is connected to a 30.50 Ω load if the internal resistance of the emf is equal to 0.234 Ω. 4. A battery has an emf of 12V. When a load resistance of 4 Ω is connected to the battery terminals; a current of 2 amperes flows through it. Calculate the internal resistance of this battery. NOTE: Derive the formula of emf to get the internal resistance.
- 1. Two conductors have equal resistances at 00C. If one is made from copper and the other onefrom aluminum, which among the two conductors has a resistance that rises faster as thetemperature continues to rise?1) What are the units of the slope of the line? 2) How would you use the slope to calculate the resistance of each resistor? Hint: use the units to guide your thinking here. 3) Please use your graphs to calculate the resistance of each resistor. Then, please find the percent error between your calculated values and the measured value (9.7 ㏀) of each resistor.Problem 5: Suppose you have have a 1100 W toaster. Part (a) How much electrical energy in J is needed to make a slice of toast (cooking time = 1 minute)? Part (b) At 11.5 cents/kWh, how many cents does this cost?
- For the circuit shown:1. Calculate the values of ammeters and voltmeters?2. Which one of the following is true?A) IT = I1 =I2 = I3 B) IITT = VV1RR1+ VV2RR2+ VV3RR3 C) VVTT = VV1 + VV2 + VV3 D) IITT = VVRR1= VVRR2= VVRR3 3. What is the object of this experiment?1. Find the equivalent resistance between points a and b in the Figure. 2. If a potential difference of 12.0V is applied across a and b, what is the current through R2? 3. If a potential difference of 12.0V is applied across a and b, what is the potential difference across R2?2. A heater uses a filament of resistance 10Ω and operates at a voltage of 120 V. If the efficiency of the heater is 40%, then how many kg of water at 25 temperature can be boiled for 5 minutes? Solve with the full step thank u