You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard XII

Physics

Two Parallel Currents

To verify Ohm...

Question

To verify Ohm’s law, a student is provided with a test resistor $R_{T}$ , a high resistance $R_{1}$ , a small resistance $R_{2}$ , two identical galvanometers $G_{1}$ and $G_{2}$ , and a variable voltage source V. The correct circuit to carry out the experiment is

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

No worries! We‘ve got your back. Try BYJU‘S free classes today!

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A
$G_{1}$ is used as voltmeter by connecting it in series with high resistance and applying it across $R_{T}$ in parallel $G_{2}$ is used as ammeter by shunting it with small resistance and connecting in series with $R_{T}$ .

Suggest Corrections

Similar questions

Q. A circuit is created with a source and four identical resistors of resistance

R

and source voltage

V

as shown above.
The current through

R_{3}

Q. Two students P and Q perform an experiment to verify Ohm's law for a conductor with resistance R. They use a current source and a voltmeter with least counts of

0.1

mA and

0.1

mV, respectively. The plots of the variation of voltage drop(V) across R with current(i) for both are shown. the statement which is most likely to be correct is?

Q. A student carries out an experiment and plots the V-I graph of three samples of Nicrome wire with resistance

R_{1}, R_{2}

and

R_{3}

respectively. Which ofeth following is true?

Ram has 2 different resistors whose resistance is unknown. He connects the resistors one by one across a battery source along with a galvanometer. He gets a higher deflection in the galvanometer when using the first resistor $R_{1}$ . So Which resistor has more resistance $R_{1}$ or $R_{2}$ ?

Q. In a series LCR circuit connected to an ac source of variable frequency and voltage

v = v_{m} sin ω t

, draw a plot showing the variation of current

(I)

with angular frequency

(ω)

for two different values of resistance

R_{1}

and

R_{2}

(R_{1} > R_{2})

. Write the condition under which the phenomenon of resonance occurs. For which value of the resistance out of the two curves a sharper resonance is produced? Define Q-factor of the circuit and give its significance.

Join BYJU'S Learning Program

To verify Ohm’s law, a student is provided with a test resistor RT, a high resistance R1, a small resistance R2, two identical galvanometers G1 and G2, and a variable voltage source V. The correct circuit to carry out the experiment is

The correct option is A G1 is used as voltmeter by connecting it in series with high resistance and applying it across RT in parallel G2 is used as ammeter by shunting it with small resistance and connecting in series with RT.

To verify Ohm’s law, a student is provided with a test resistor $R_{T}$ , a high resistance $R_{1}$ , a small resistance $R_{2}$ , two identical galvanometers $G_{1}$ and $G_{2}$ , and a variable voltage source V. The correct circuit to carry out the experiment is

The correct option is A
$G_{1}$ is used as voltmeter by connecting it in series with high resistance and applying it across $R_{T}$ in parallel $G_{2}$ is used as ammeter by shunting it with small resistance and connecting in series with $R_{T}$ .