Heat current is maximum in which of the following? a) Copper
Q: ___________ states that internal energy is a function of state and the increase in internal energy…
A: 1. First law of thermodynamics is based on the conservation of energy, that distinguish two kinds of…
Q: Squid 8.5°C -9 mV EM
A: Induction is the magnetic field which is proportional to the rate of change of the magnetic field.…
Q: In physics, temperature is the average of the moving particles in a substance. Heat Measurement…
A: Correct option is Heat.
Q: is available in the electric systems and mechanical systems. no medium liquid air gas
A: air or gas ,are available in the electrical and mechanical systems .
Q: Sinine A length of aluminum wire is connected to a constant voltage source and a current of 0.6 A is…
A:
Q: How much 5 degrees C water would be required to cool a hypothermia patient body temp of 41 degrees C…
A: To cool body of hypothermia patient energy is absorb by the water, hence, Energy release by patient…
Q: Describe experiments to demonstrate good and bad conductors of heat
A: Take a rod of that material and stick some wax balls on the rod such that they are equidistant from…
Q: Which of the following substances would make the best thermal conductor? а. Wood b. Glass С. Brick…
A: Given substances are - Wood Glass Brick Aluminum Wool
Q: 5 examples of phase change
A: Phase change occurs means the change of state of matters. It is a reversible physical change which…
Q: Which of the following would not make fo O A metal pipe Wood O Paper Rubber
A:
Q: A stone floor feels cold to the bare feet but a carpet on the same floor feels warm. This is because…
A: When two objects of different temperature are in contact with each other, then the heat energy will…
Q: Electrical prints can be used for __________________________, _________________, and…
A:
Q: The fill factor of the solar cell shown in the figure below operating at a temperature of T=300 K is…
A:
Q: The resistivity of certain metals becomes zero at Select one: a. Very low temperatures b. Very…
A: Introduction: The resistivity of a material is a measure of the resistance of a particular dimension…
Q: Metal 1 has twice the thermal conductivity of Metal 2, which of the following is true?
A: Thermal resistivity = 1/ thermal conductivity
Q: If an electric iron of 1200 W is used for 30 minutes everyday, find electric energy consumed in the…
A:
Q: The flow of thermal energy is called: A) Heat B) Current C) Voltage D) Potential
A: Heat energy is the energy which flows between two bodies due to difference in temperature between…
Q: Heat is the energy transferred between bodies due to a temperature difference the specific heat of…
A: Required: The definition of Heat
Q: In thermocouple, the temperature at which no current flow through it is. (a) (b) (c) (૪) neutral…
A: To find- Name for temperature Given- No current flows through the thermocouple.
Q: QUESTION 24 Pressure and volume of gas in a container are related to temperature and number of gas…
A: solution as
Q: Question a) b) Identify and briefly describe TWO suitable sensors which could be used to measure…
A: Sensor It is a device, whose resistance changing depend to intensity of light with respect to. When…
Q: Question 38 of 50 Which of these is a device that DOES NOT show Ohm's law? Select the correct…
A: For the ohm's law V = IR The device Follow this rule is called ohmic device. Here , Only last…
Q: When our bodies are hot, they produce sweat, which helps to cool us down. Using this fact, determine…
A:
Q: The resistance of the tungsten wire in a bulb is 20ohm when the bulb is not lit (T=20C) and 180ohm…
A: We know that, R=R01+αT-T0here, Initial resistance, R0=20Ω'sInitial temperature, T0=20°CTemperature…
Q: A C In the figure above, which symbol represents the bulb? O A. D ОВ. А о С. В O D. C
A: In the given circuit diagram, the symbol C represents the bulb, that is option D) C is the correct…
Q: The resistance of a wire is 25 ohms at 50°C and 20 ohms at 30°C. Determine the temperature…
A: The resistance of wire at any temperature is given by, RT'=RT1+αT'-T (1) Given that, RT=25…
Q: A pipe of cross-sectional area 0.4 m2 carries molten gold flowing at a speed of 2.5 m/s. What is the…
A: Given that-Cross-sectional area of pipe, A= 0.4 m2Speed, v= 2.5 m/sCurrent throught the pipe= Av
Q: Heat is transfer of energy due to -2 difference in a- time O b- volume O c- pressure O d-…
A: Heat energy is the result of the movement of tiny particles called atoms, molecules, or ions in…
Q: Across a 80W PV module how many numbers of 15W lamps can be connected a.3 b.4 c.5 d.6
A: solution as
Q: The drift velocity of electric charges through a material depends on the current flowing through the…
A: the current flowing through the material.
Q: The fill factor of the solar cell shown in the figure below operating at a temperature of T=300 K is…
A:
Q: 2. When an electric current passes through a wire, heat energy is produced. The thermometer reading…
A: Disclaimer: “Since you have asked multiple question, we will solve the first question for you. If…
Q: Lee's disc- determination of thermal conductivity of a bad conductor the application in engineering…
A: Given Lee's disc-determination of thermal conductivity of a bad conductor the application in…
Q: Some appliances are double insulated what does that mean?
A: Some appliance are double insulated because of safety purpose
Q: Which of the following substances would make the best thermal conductor? a. Aluminum b.…
A: to choose : The best thermal conductor out of aluminum , wool , glass , wood and brick
Q: What is the unit of the physical quantity Entropy? A) watt per kelvin B) newton per kelvin…
A: Entropy is defined as the energy per unit temperature.
Q: produces H joules of heat when connected to a source in a certain time. If it is cut into 2 equal…
A: We know that the According to Joule's heating effect, the heat produced is given as H = V2tR here V…
Q: Identify the type of system in each photo and explain your answer. coffee water water saucepan with…
A:
Q: Your feet feel colder on a tile floor than on a wood floor at the same temperature because the tile…
A: Good conductor or bad conductor of heat mainly depends on how faster heat is being pulled out by…
Q: We have one solar PV module in our laboratory. The specifications for the moduleis given below. Size…
A: Given Data The size of the PV cell is:D=12.5 cm×12.5cm The number of PV cells are:N=54 To find: i)…
Q: . If the viscosity of the fluid will increase, the rate of heat transfer will A.decrease B. There…
A: Dear student, Since all questions are different as per guidelines we can author only first one…
Q: Analysis Questions: 1) Which material would make the BEST insulator? Why? the 2) Why Is a good…
A:
Heat current is maximum in which of the following?
a) Copper
b) Steel and copper
c) Copper and steel
d) Steel
Step by step
Solved in 2 steps
