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Q. No.The value of resistance for the colour code of the given resistor is:
1. \((36\pm36)~k\Omega~\)
2. \((470\pm47)~k\Omega~\)
3. \((360\pm36)~k\Omega~\)
4. \((360\pm18)~k\Omega~\)
1. \((36\pm36)~k\Omega~\)
2. \((470\pm47)~k\Omega~\)
3. \((360\pm36)~k\Omega~\)
4. \((360\pm18)~k\Omega~\)
Subtopic: Colour Coding of Resistors (OLD NCERT) |
56%
From NCERT
NEET - 2022
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In a meter bridge experiment, the null point is at a distance of \(30~\text{cm}\) from \(A.\) If a resistance of \(16~\Omega\) is connected in parallel with resistance \(Y\), the null point occurs at \(50~\text{cm}\) from \(A.\) The value of the resistance \(Y\) is:
| 1. | \(\dfrac{112}{3}~\Omega\) | 2. | \(\dfrac{40}{3}~\Omega\) |
| 3. | \(\dfrac{64}{3}~\Omega\) | 4. | \(\dfrac{48}{3}~\Omega\) |
Subtopic: Meter Bridge & Potentiometer |
68%
From NCERT
NEET - 2022
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A cell of emf \(4~\text{V}\) and internal resistance \(0.5~\Omega\) is connected to a \(7.5~\Omega\) external resistance. The terminal potential difference of the cell is:
| 1. | \(3.75~\text{V}\) | 2. | \(4.25~\text{V}\) |
| 3. | \(4~\text{V}\) | 4. | \(0.375~\text{V}\) |
Subtopic: EMF & Terminal Voltage |
72%
From NCERT
NEET - 2022
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The equivalent resistance of the infinite network given below is:
1. \(2~\Omega\)
2. \((1+\sqrt2)~\Omega\)
3. \((1+\sqrt3)~\Omega\)
4. \((1+\sqrt5)~\Omega\)
1. \(2~\Omega\)
2. \((1+\sqrt2)~\Omega\)
3. \((1+\sqrt3)~\Omega\)
4. \((1+\sqrt5)~\Omega\)
Subtopic: Combination of Resistors |
53%
From NCERT
NEET - 2022
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Subtopic: Derivation of Ohm's Law |
80%
From NCERT
NEET - 2022
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The sliding contact \(C\) is at one fourth of the length of the potentiometer wire (\(AB\)) from \(A\) as shown in the circuit diagram. If the resistance of the wire \(AB\) is \(R_0\), then the potential drop (\(V\)) across the resistor \(R\) is:
| 1. | \(\dfrac{4V_0R}{3R_0+16R}\) | 2. | \(\dfrac{4V_0R}{3R_0+R}\) |
| 3. | \(\dfrac{2V_0R}{4R_0+R}\) | 4. | \(\dfrac{2V_0R}{2R_0+3R}\) |
Subtopic: Meter Bridge & Potentiometer |
From NCERT
NEET - 2022
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A network of resistors is connected across a \(10~\text{V}\) battery with an internal resistance of \(1~\Omega\) as shown in the circuit diagram. The equivalent resistance of the circuit is:
| 1. | \(\dfrac{17}{3}~\Omega\) | 2. | \(\dfrac{14}{3}~\Omega\) |
| 3. | \(\dfrac{12}{7}~\Omega\) | 4. | \(\dfrac{14}{7}~\Omega\) |
Subtopic: Combination of Resistors |
74%
From NCERT
NEET - 2022
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The plot of current \(I~\text{(A)}\) flowing through a metallic conductor versus the applied voltage \(V~\text{(volt)}\) across the ends of a conductor is:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Derivation of Ohm's Law |
80%
From NCERT
NEET - 2022
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A Wheatstone bridge is used to determine the value of unknown resistance \(X\) by adjusting the variable resistance \(Y\) as shown in the figure. For the most precise measurement of \(X\), the resistances \(P\) and \(Q\):
| 1. | do not play any significant role. |
| 2. | should be approximately equal to \(2X\). |
| 3. | should be approximately equal and are small. |
| 4. | should be very large and unequal. |
Subtopic: Wheatstone Bridge |
74%
From NCERT
NEET - 2022
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A copper wire of length \(10\) m and radius \(\left({10^{-2}/\sqrt{\pi}}\right)\) m has an electrical resistance of \(10~\Omega.\) The current density in the wire for an electric field strength of \(10\) (V/m) is:
1. \(10^{5}\) A/m2
2. \(10^{4}\) A/m2
3. \(10^{6}\) A/m2
4. \(10^{-5}\) A/m2
1. \(10^{5}\) A/m2
2. \(10^{4}\) A/m2
3. \(10^{6}\) A/m2
4. \(10^{-5}\) A/m2
Subtopic: Current & Current Density |
67%
From NCERT
NEET - 2022
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