Question

a) The following table gives the value of electrical resistivity of some samples
Sample
Resistivity
75*10*
Which one is the best conductor and insulator
b) Study the following circuit answer the following questions that follows
3 V
HHE
10 Ω
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15 Ω
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1 State the type of combination of the two resistors in the circuit Panco
How much current is flowing through 10.2 and through 15 resistors?
1. What is the ammeter reading?​

Answer 1

Answer:

1.State the type of combination of the two resistors in the circuit Panco.

 (i) Two resistors are in parallel combination.

(ii) Current through

(a) 10 ohm resistor V/R= 3/10= 0.3 A

(b) 15 ohm resistor V/R= 3/ 15 = 0.2 A

(iii) Ammeter reading = Total current flowing through the circuit = 03 + 0.2 = 0.5 A

2. What is the ammeter reading?

It is a instrument which helps in measuring ammeter the current in a circuit. ... By Ammeter reading we mean reading of the deflection of the magnetic needle which takes place because of the intensity of the magnetic field which takes place in the ammeter coil because of the amount of current flowing.