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Subject: Physics, asked on 6/4/18

Please  help

 4.  If a charged body attracts another body, the charge on the other body
(a) must be negative
(b) must be positive
(c) must be zero
(d) may be negative or positive or zero


 

Jap
Subject: Physics, asked on 15/3/18

Plsease tell ans for c part

(c)  In the circuit diagram given below, a cell of 9V and internal resistance 0.5 Ω is connected across a resistor A of 2 Ω in series and two resistors 2 Ω and  6 Ω which are in parallel.
 
Find:
(i)  ​the total resistance
(ii)  ​the total current
(iii)  ​the current in the 6 Ω resistor
(iv)  ​the potential difference across the terminals of the cell.

 

Subject: Physics, asked on 6/2/18

In the circuit diagram given below the heat produced in the 5 Ω resistor due to a current flowing in it is 42 joule per second. What will be the heat produced in 4 Ω resistor?

Subject: Physics, asked on 24/12/17

Find the equivalent resistance between the points A and O in the following circuit.

Subject: Physics, asked on 17/2/18

Please solve this question

Subject: Physics, asked on 30/12/17

Please send the q.no:1

Q1. Study the diagram 8.47 carefully and calculate :

       (a) the equivalent resistance between P and Q.

                    

       (b) the reading shown by ammeter,

       (c) the electrical power between P and Q.
 

Subject: Physics, asked on 15/3/18

A battery of voltage 12V sends current 400mA to an appliance. After a long continuous use, the current drops to 320mA and the appliance doesn't operate. Find:1.the resistance of appliance. 2.the terminal voltage of the battery when appliance is stops operating. 3. Voltage drop

Subject: Physics, asked on 29/12/17

10.A room has two tube lights, a fan, and a TV.Each tube light draws 40W, the fan draws 80 W and TV draws 60W.On an average, the tube lights are kept on for 5 hours, the fan for 12 hours and the TV for 8 hours every day.The rate of the electrical energy is Rs.3.10 per kWh.Calculate the cost of electricity used in that room in a 30 day month.

Subject: Physics, asked on 5/4/18

Please solve the 13 th problem.
Please do not provide any link.

Subject: Physics, asked on 27/8/20

Navez .. are you here ..

Subject: Physics, asked on 3/12/18

Why is the ammeter reading increased when a thicker wire of the same material and of the same length is used in the circuit?

Subject: Physics, asked on 18/10/20

Ans this question from current and electricity class 10th ICSE

Subject: Physics, asked on 11/4/18

Please solve the 18 th problem.
Please do not provide any link.
Q.18. In the network shown in Fig. 8.49, calculate the equivalent resistance between the points (a) A and B, and (b) A and C.


Ans. (a) 1.5 Ω (b) 2 Ω

Subject: Physics, asked on 3/3/18

Q. Calculate the resistance of 1 km long copper wire of radius 1 mm.
(specific resistance of copper is 1.72 ×10-8 Ω m )

Subject: Physics, asked on 14/5/18

Q. In the given circuit, find the total current supplied by the battery.

1234
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