A Palduma water heater heats 1 liter (1000 cm?) of water from 19°C to 99°C in 10 minutes when 110 V is applied. What is the resistance of this heater?
Q: A common flashlight bulb is rated at 0.28 A and 2.7 V (the values of the current and voltage under…
A: We know, T=T0+1αRR0-1 where, T0 is the room temperature α is the coefficient of resistivity R is…
Q: Suppose that the resistance between the walls of a biological cell is 1.10 1010 Ω. (a) What is the…
A: Given information: The resistance offered bt the cell wall (R) = 1.10 ×1010 Ω The voltage across the…
Q: A colour- TV set has a power rating of 320 W. How much current does this set draw from a potential…
A: Given data: Power of the TV P=320W Potential difference V=110V
Q: An electric heater is constructed by applying a potential difference of 140.7V across a wire with a…
A: we know that;powerP=V2R
Q: What resistance will cause a current of 200uA, if the potential difference is 18V. O 0.092 O 9x10^3…
A: According to the ohm's law, V=IRR=VI
Q: Two lightbulbs both operate on 120 V. One has a power of 25 W and the other 100 W. Which lightbulb…
A: Potential difference, V = 120 V Power of the first lightbulb, P1 = 25 W Power of the second…
Q: The potential difference across a resistor in a particular electric circuit is 300 V. The current…
A:
Q: The potential difference across a resistor in a particular electric circuit is 360 V. The current…
A: Given data: Potential difference ∆V=360 V Current (I) = 18 A Need to determine the resistance of the…
Q: A heater has a resistance of 400Q when the potential difference across it is 12V. If this same…
A:
Q: An electric heater is constructed by applying a potential difference of 158.4V across a wire with a…
A: Potential difference = V = 158.4 V Resistance = R = 5 ohm Power will be given by following formula:…
Q: As discussed in the chapter, a thermistor is a device whose resistance varies with temperature. At…
A: V=Voltage=1.2 VR=Resistance=10 kΩ
Q: A current of 22.7 A flows through an electric heater operating on 120 V. What is the heater's…
A:
Q: The resistance of an electric heater is 90 Ω when connected to 120 V. How much energy does it use…
A:
Q: . A battery is rated at 12 V and 160 A-h. How much energy does this battery store? Answer: 6.9 MJ
A: Given that---- V = 12 volt I = 160 amp t = 1 hour Question ❓ Energy of battery ?
Q: A thermometer made of Platinum has a resistance of 50 N at 20 C, what is the measured temperature…
A: Given data: Reference resistance Ro = 50 Ω Reference temperature To = 20 °C Resistance at…
Q: An electric heater is constructed by applying a potential difference of 140V across a wire with a…
A:
Q: The potential difference across a resistor is measured to be (3.67 ±£ 0.03) V. What is the…
A:
Q: The resistance of a wire that is 105 cm long is 20.5 Q. After the temperature change, its resistance…
A: Information Given:- Length of the wire is l=105 cm Initial resistance of the wire is R0=20.5 Ω…
Q: A light bulb operating at 110 V draws 1.20 A of current. What is its resistance? 109 Q 78.6 Q 154 Q…
A: Given data: Voltage (V) = 110 V Current (I) = 1.20 A Required: Resistance (R)
Q: what is the current in a 110Ohm resistor when the potential difference across it is 120V
A: Write a given values of this question. R=110ohmV=120V
Q: A car headlight filament is made of tungsten and has a cold resistance of 0.350 Ω. If the filament…
A: Given L = 4.00 x 10-2m R = 0.350 ohm Resistivity of tungsten ( ρ ) = 5.6 x 10-8ohm.meter
Q: A common flashlight bulb is rated at 0.37 A and 2.2 V (the values of the current and voltage under…
A:
Q: resistance of an electric heater is 45 Ω when connected to 120 V. How much energy does it use…
A:
Q: An electric heater is constructed by applying a potential difference of 99.6V across a wire with a…
A:
Q: A thermometer made of Platinum has a resistance of 50 N at 20 C, what is the measured temperature…
A:
Q: A thermometer made of Platinum has a resistance of 50 at 20 C, what is the measured temperature (in…
A:
Q: A wire with a length of 2.0 m and a diameter of 1.0 mm has a resistance of 0.45 2. What is the…
A: Given data: Length (L) = 2.0 m Diameter (d) = 1.0 mm = 1.0×10-3 m Resistance (R) = 0.45 Ω Required:…
Q: A 150 W heating coil (like a light bulb) is designed to operate from 125 V. The coil is made from a…
A:
Q: At 20 degrees * C the carbon resistor in an electric circuit connected to a 5.0 V battery has a…
A: Given Intial temparature T1 = 20°C Resisteance at 20.C is R0 = 200 r Final temparature T2…
Q: A load with a resistance of 5 V is connected to a 30 V source. How much current is drawn by the…
A: Resistance (R) = 5 ohm Potential difference of the battery (V) = 30 volts
Q: What is the heat generated (in J) in a heating element of resistance 1000 Ω when a current of 0.1 A…
A: Resistance (R) = 1000 ohm Current (i) = 0.1 ATime (t) = 25 seconds Using formula for heat generated…
Q: A 10-ohm resistor has a constant current. If 1200C of charge flow through it in 4 minutes what is…
A: Given, Time, t=4 min=240 s Charge, Q=1200 C
Q: The lightbulb used in a computer projector has a resistance of 80 Ω. What is the current through the…
A: Resistance, R = 80 Ω Voltage, V = 120V
Q: If 1.19 miles of 24-gauge copper wire has a resistance of 1.28 kΩ and the resistivity of copper is…
A:
Q: How much is resistance is needed by your body to resist a current of 8 x103 A from a 110V?
A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: A metal wire has a resistance of 10.00 W at a temperature of 20°C. If the same wire has a resistance…
A: Given: The resistance of the wire at 20 oC is 10 w. The resistance of the wire at 90 oC is 10.55 w.…
Q: An electric heater is constructed by applying a potential difference of 99.6V across a wire with a…
A: Power = V2/R
Q: A common flashlight bulb is rated at 0.30 A and 2.9 V (the values of the current and voltage under…
A: Given V at Operating temperature- 2.9V Current at Operating temp- 0.30A R1 = Resistance at room…
Q: A defibrillator sends a 6.75 A current through the chest of a patient by applying a 9500 V voltage…
A: Given data: Current (I) = 6.75 A Voltage (V) = 9500 V Required: The resistance (R) in kΩ
Q: If a lamp has resistance of 120 W when it operates at 100 W, what is the applied voltage? a. 110 V…
A: The relation between power, voltage and resistance is P =V2RWhere, P =powerR =resistanceV =voltage
Q: What is the magnitude of the current passing through the 4 SQ resistance in Amps? 12 V 8 V 2 2
A:
Q: A 1200 W electric heater has 750 L of water at 100°C in it. How much time will it need to vaporize…
A:
Q: The voltage V across a resistor was measured to be 898 mV and the current / through the resistor was…
A: Given Data:- The voltage across the resistor is V = 898 mV. The current across the resistor is I =…
Q: Three resistors of resistances R1 = 11.3, R2 = 50.6, and R3 = 83.4 are connected in series with a…
A:
A Palduma water heater heats 1 liter (1000 cm?) of water from 19°C to 99°C in 10 minutes when 110 V is applied.
What is the resistance of this heater?
Step by step
Solved in 2 steps with 2 images
- A vertical glass tube of length L = 1.280 000 m is half filled with a liquid at 20.000 000C. How much will the height of the liquid column change when the tube and liquid are heated to 30.000 000C? Use coefficients aglass = 1.000 000* 10-5/K and bliquid = 4.000 000* 10-5/K.A vertical glass tube of length L = 1.3m is half filled with a liquid at 18.7 ˚C. How much will the height of the liquid column change when the tube is heated to 31.8 ˚C? Take αglass = 1.46× 10-5/K and βliquid = 4.37× 10-5/K.What is the superiority of Kelvin's scale over other scales?
- Super Invar, an alloy of iron and nickel, is a strong material with a very low coefficient of thermal expansion (0.20× 10−6). A 2.5-mm-long tabletop made of this alloy is used for sensitive laser measurements where extremely high tolerances are required.How much will a 2.5-mm-long table made of steel expand along its length if the temperature increases 6.5 C∘?The gauge pressure in your car tires is 2.50x10^5 n/m^2 at a temperature of 35.0 C when you drive it onto a ferry boat to Alaska What is their gauge pressure later, when their temperature has dropped to -40.0 C? Write your answer in atm and your answer must have three significant figures 26.62 1.62 15.62 0.52The radius of the Helium atom is about 0.55AU.Calculate the polarisability of Helium and its relative permeability.The number of Helium atoms in a volume of 1m is 2.7×10^25 atoms.
- What would be a change in 10 Celsius equal to Kelvin?How do you convert the body temperature of 41 celsius in the Kelvin scale?The warmest temperature ever recorded in the United States is 134 °F in Death Valley, CA, on 10 July 1913. (There is serious reason to doubt the accuracy of that measurement, but that is for another day.) Convert that temperature to Kelvins.
- The following equation can be used to convert Celsius temperatureto Kelvin temperature. K = oC + 273.15 Use algebra to change the equation to convert Kelvin temperatureto Celsius temperatureHow much energy is required to convert 0.10 kg of water at 100∘C to steam at 100∘C? Heat of vaporization at the boiling temperature for water is Lv = 2.256E6 J/kg Express your answer to two significant figures and include the appropriate units.A hot-air balloon has a volume of 1100 m³. The density of air at 20 ⁰C is 1.205 kg/m³. The density of hot air inside the balloon at a temperature of 100 ⁰C is 0.946 kg/m³. How much weight can the hot-air balloon lift (including the balloon itself)?