1-What is the common name of the magnet made by using current?
2-Can we use a U-shaped permanent magnet in making an electric bell?
4-What is the source of electric current in the torch?
5-Name any four appliances which work on the principle of heating effect
of current.
6-In which position key is placed in the circuit?
7-How can we connect the cells to prepare the battery?
8-What are the effects of electricity?
9-Name three sources of electricity.
10-What is resistance?
11-What is the meaning of the term ‘battery’?
12-What are the advantages of having electrical appliances connected in parallel
Wrong answers=report
Answers
Answer:
1.)answer =electromagnet
The common name of the magnet made by current is known as electromagnet.
2.)ans=Yes you can use u shaped permanent magnet in making an electrical bell. there is no problem as you are using magnet it will work.
4.)ans =The source of electricity in a torch depends on what type of torch we are using. Mostly the torches get energy from the batteries we place in them and thus the energy is chemical energy. In some cases as seen now, the torches are run from solar energy and thus the energy is solar energy.
5.)ans =Name 5 appliances that use the heating effect of electric current
Toaster.
Microwave oven.
Induction cooker.
Cloth iron.
Geyser.
6.)ans= don't know.
7.)answer =don't know.
8.)answer =There are four effects of electricity you can study on this line.
...
The 'effects of electricity' line
magnetic effect.
heating effect.
chemical effect.
electric shocks.
9.)answer =The three major categories of energy for electricity generation are fossil fuels (coal, natural gas, and petroleum), nuclear energy, and renewable energy sources. Most electricity is generated with steam turbines using fossil fuels, nuclear, biomass, geothermal, and solar thermal energy.
10.)answer =trying to stop something from happening or to stop somebody from doing something; fighting back against somebody/something
कुछ घटित होने या किसी को कुछ करने से रोकने की क्रिया; व्यक्ति या वस्तु का प्रतिरोध या विरोध.
11.)=don't know.
12.)answer =There is no division of voltage among the appliances when connected in parallel. The potential difference across each appliance is equal to the supplied voltage. The total effective resistance of the circuit can be reduced by connecting electrical appliances in parallel.
I hope this will help you.
Answer:
1) electromagnetic
2)no
4)Answer: The source of electricity in a torch depends on what type of torch we are using. Mostly the torches get energy from the batteries we place in them and thus the energy is chemical energy. In some cases as seen now, the torches are run from solar energy and thus the energy is solar energy.
5)Name 5 appliances that use the heating effect of electric current
- Toaster.
- Microwave oven.
- Induction cooker.
- Cloth iron.
6)The switch would be in the phase or live side if it is mains, though can be in both phase and neutral if a two-pole switch is used, but not normally done. In DC, convention is to put the switch in the positive lead.
7)
- Cells can be connected in series, in parallel, or in a series-parallel combination. ...
- Connecting them in series results in a battery with a voltage equal to the sum of the series cell voltages, and a current capacity equal to a single cell.
8)There are four effects of electricity you can study on this line.
...
The 'effects of electricity' line
- magnetic effect.
- heating effect.
- chemical effect.
- electric shocks.
9)The three major categories of energy for electricity generation are fossil fuels (coal, natural gas, and petroleum), nuclear energy, and renewable energy sources. Most electricity is generated with steam turbines using fossil fuels, nuclear, biomass, geothermal, and solar thermal energy.
10)Resistance. Resistance is a property of conductor due to which it resists the flow of electric current through it. Component that is used to resist the flow of electric current in a circuit is called resistor. ... Rheostat: This is a device which is used in a circuit to provide variable resistance.
11)1.a container consisting of one or more cells,in which chemical energy is converted into electricity and used as a source of power.
12)There is no division of voltage among the appliances when connected in parallel. The potential difference across each appliance is equal to the supplied voltage. The total effective resistance of the circuit can be reduced by connecting electrical appliances in parallel.
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