What are the similarities and differences between dry cells, alkaline batteries and nicad batteries?

Q: An electrolyzer passes electric current through water, dissociating some of the water molecules and…

A: Diameter of tube (d) = 6.85 cmRadius of tube (r) = d2=6.85 cm2= 3.425 cm = 0.03425 m Current (i) =…

Q: 4. Electrical resistivity of any given metallic wire depends upon nature of the material. * True…

A: Resistivity is also known as specific resistance.

Q: What current is supplied by the batteries?

A: Given: Batteries voltage, V1=4.5V and V2=3.0V Resistance, R2=150Ω Voltage of resistance R1 and R3…

Q: Many inverter and chopper converters (D. . D.converters) use a component that consists of two…

A: We shall consider a general diode case. When a p-n junction diode is reverse biased, it is an open…

Q: Alkaline batteries have the advantage of putting out constant voltage until very nearly the end of…

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Q: The Battery company manufactures electric batteries. The probability that the finished battery is…

A: probability of manufacturing defective battery = 0.05probability of removing a faulty battery =…

Q: True/False. The presence of electrons in a substance makes it a conductor of electricity. O True O…

A: Electricity is the process of flowing of electrons

Q: State the order of specific resistance of (i) metal (ii) a semiconductor (iii) an insulator.

A:

Q: If you connect two identical storage batteries together in series (+' to -"), and place them in a…

A: To determine: The correct option.

Q: How can one use the setup to charge a battery? How does changing the starting amounts of each metal…

A: Rechargeable batteries are the storage batteries which store the chemical energy and convert into…

Q: Consider a series combination of 2 resistances. 25 Ω 30 Ω What is the equivalent resistance? 1.…

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Q: 5 V These are materials whose electrical properties are in between the conductors and insulators *…

A: Semiconductors are the material that has electrical properties between Conducter and insulators for…

Q: What would be the correct junction law equation for the junction shown below? Is I2 a. I = 1, + l2…

A: According to Kirchhoff's junction rule, "the sum of the currents in and out of the junction must be…

Q: What are the desirable qualities of an electric battery?

A: Step 1 The battery is a device formed by a combination of two or more cells. It helps to create a…

Q: A watchman's flashlight requires 5 alkaline D batteries in series to operate. Each alkaline battery…

A: Since the watchman;s flashlight required 5 alkaline batteries  in series to operate,the Voltage…

Q: ncreasing the temperature of this voltaic cell would increase the voltage:

A: b.) a concentration cell.

Q: For ohmic materials,what is the relationship between resistance and temperature?

A: SOlution: To brief, what is the relationship between resistance and temperature.

Q: Suppose you wanted to make a 1.00-V cell using copper as one of the electrode materials. Of the…

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Q: Q.3. Find the value of V, if the value of 13= OA. (30 P) 1 ohm 3 ohm 5 ohm 5V 2 ohm 4 ohm 13 12

A: We use krichoff’s law: 5 - 1 x I1 -2x(I1-I2)=0 ——-(1) 2x(I1-I2) -3I2 -4 (I2-I3) =0 ———-(2) 4(I2-I3)…

Q: Calculate the electric potential 10.2 mm from a chlorine ion with a charge of -e.

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Q: Four 1.5-volt AA batteries in series power a transistor radio. If the batteries hold a total charge…

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Q: From your graph find the specific charge,K, of copper ions by calculating the slope.

A: Given: From the table Amount of Charge (Q,  units C) Mass Deposited (Mcu, units kg)  480 0.09…

Q: How many moles of electron flow through a lamp that draws a current of 4.5 A for an hour? choose the…

A: Given value--- current = 4.5 Amp. time = 1 hour. We have to find--- Number of moles ?

Q: Ohm is the unit of resistance and it is a unit. O Derivative O basic O complex

A: Basic units are the the fundamental units. for example fundamental unit of length is meters. Derived…

Q: Two parallel 5.0-cm-diameter flat aluminum electrodes are spaced 0.50 mm apart. The electrodes are…

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Q: using Kirchhoff's laws and Ohm's law find the following:

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Q: What is an ohmic resistor? Give one example of ohmic resistor.

A: Ohmic resistors obey Ohms law.Write the expression for Ohms’ law

Q: Copper has mass density of 8.95 g/cm^3.and electrical resistivity of 1.55×10^-8 ohm.m at room…

A: The equation for the concentration of conducting electron can be obtained as

Q: Although pure water is a poor conductor of electricity, we are cautioned not to operate electrical…

A: Yes pure water or distilled water is a poor conductor of electricity because they don't have any…

Q: How do common types of batteries generate electrical energy? Elaborate your answer.

A: Ans: A battery is an electrochemical device that stores chemical energy and converts it into…

Q: The source of electrons is .A negative electrode .B cathode .C all of above .D

A:

Q: Why is platinum used for making resistance thermometer?

A: which is help to give precise reading and morover the platinum is stable unreactive metal can be…

Q: What are the similarities and differences between the processes in a photocopier and an…

A: The photocopier is a device which is used to create a copy of any document which is known as a…

Q: Identify the statement from the following why rubber does not allow electric current. O a. It is a…

A: Rubber does not allow the flow of electric current because : Rubber is an insulator. rubber is a…

Q: What is energy gap in insulators?

A: The energy gap or band gap is the difference between the highest energy level of the valence band…

Q: "A carbon resistor with the following color bands, orange orange yellow gold, have an ohmic value of…

A: To determine the ohmic value of orange orange yellow gold.

Q: Which of the following carry charge through circuits? A. loosely bound outer electrons B. protons…

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Q: heasured across the ribbon, what is the charge density of the free electrons? What effective number…

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Q: How can an electroplating circuit function as a current measuring device? Why are two anodes used…

A: 1.Electroplating circuit function as a current measuring device By measuring the amount of material…

Q: 2ohm 5ohm 7ohm find eruivalent resistance across "ab"

A: Given  three resistance are in series.  We have to find--- equivalent resistance?

Q: How much electron volt can be use to move 12 nC charge on 15 V battery?

A: Given data:  Charge (q) = 12 nC = 12×10-9 C Battery voltage (V) = 15 V Required: Work (W)

Q: If a 1.5 V battery stores 5.0 kJ of energy (a reasonable value for an inexpensive C cell), for how…

A: Given data The potential difference across the battery is Vo=1.5 V The energy is, E=5.0 kJ The…

Q: Explain how conservation of charge is related to Kirchhoff's junction rule.

A: In this question we have to answer some questions related to Kirchhoff's Rules. Note: Due to company…

Q: is an example of good conductor of electricity. O a. germanium O b. silver O c. rubber O d. silicon

A: Silver has higher electrical conductivity.