04. Cells, Internal Resistance and Cell Combination, Thermocouple
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Current Electricity

152500 A fuse wire of radius $0.2 \mathrm{~mm}$ blows off with a current of $5 \mathrm{~A}$. The fuse wire of same material but of radius $0.3 \mathrm{~mm}$ will blow off with a current of

1 $\frac{15}{2} \mathrm{~A}$
2 $\frac{5 \sqrt{3}}{2} \mathrm{~A}$
3 $5 \sqrt{\frac{27}{8}} A$
4 \(5 \mathrm{~A}\)
AP EAMCET (20.04.2019) Shift-1
Current Electricity

152502 Six similar bulbs are connected as shown in the figure with a DC source of emf $E$ and zero internal resistance. The ratio of power consumption by the bulbs when (i) all are glowing and (ii) in the situation when two from section $A$ and one from section $B$ are glowing, will be

1 $9: 4$
2 $1: 2$
3 $2: 1$
4 $4: 9$
NEET National-2019
Current Electricity

152503 An inverter battery operates on $24 \mathrm{~V}$ and has negligible internal resistance. It is rated at 140 ampere-hour. What external resistance would have to be connected to the battery if it were to be discharged in 14 hours

1 $1.6 \Omega$
2 $2.4 \Omega$
3 $5.9 \Omega$
4 $10.0 \Omega$
AMU-2018
Current Electricity

152504 Two identical cells each of emf $E$ and internal resistance $r$ are connected in parallel with an external resistance $R$. To get maximum power developed across $R$, the value of $R$ is

1 $\mathrm{R}=\mathrm{r} / 2$
2 $\mathrm{R}=\mathrm{r}$
3 $\mathrm{R}=\mathrm{r} / 3$
4 $\mathrm{R}=2 \mathrm{r}$
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Current Electricity

152500 A fuse wire of radius $0.2 \mathrm{~mm}$ blows off with a current of $5 \mathrm{~A}$. The fuse wire of same material but of radius $0.3 \mathrm{~mm}$ will blow off with a current of

1 $\frac{15}{2} \mathrm{~A}$
2 $\frac{5 \sqrt{3}}{2} \mathrm{~A}$
3 $5 \sqrt{\frac{27}{8}} A$
4 \(5 \mathrm{~A}\)
AP EAMCET (20.04.2019) Shift-1
Current Electricity

152502 Six similar bulbs are connected as shown in the figure with a DC source of emf $E$ and zero internal resistance. The ratio of power consumption by the bulbs when (i) all are glowing and (ii) in the situation when two from section $A$ and one from section $B$ are glowing, will be

1 $9: 4$
2 $1: 2$
3 $2: 1$
4 $4: 9$
NEET National-2019
Current Electricity

152503 An inverter battery operates on $24 \mathrm{~V}$ and has negligible internal resistance. It is rated at 140 ampere-hour. What external resistance would have to be connected to the battery if it were to be discharged in 14 hours

1 $1.6 \Omega$
2 $2.4 \Omega$
3 $5.9 \Omega$
4 $10.0 \Omega$
AMU-2018
Current Electricity

152504 Two identical cells each of emf $E$ and internal resistance $r$ are connected in parallel with an external resistance $R$. To get maximum power developed across $R$, the value of $R$ is

1 $\mathrm{R}=\mathrm{r} / 2$
2 $\mathrm{R}=\mathrm{r}$
3 $\mathrm{R}=\mathrm{r} / 3$
4 $\mathrm{R}=2 \mathrm{r}$
NEET DIGITAL LIBRARY
Current Electricity

152500 A fuse wire of radius $0.2 \mathrm{~mm}$ blows off with a current of $5 \mathrm{~A}$. The fuse wire of same material but of radius $0.3 \mathrm{~mm}$ will blow off with a current of

1 $\frac{15}{2} \mathrm{~A}$
2 $\frac{5 \sqrt{3}}{2} \mathrm{~A}$
3 $5 \sqrt{\frac{27}{8}} A$
4 \(5 \mathrm{~A}\)
AP EAMCET (20.04.2019) Shift-1
Current Electricity

152502 Six similar bulbs are connected as shown in the figure with a DC source of emf $E$ and zero internal resistance. The ratio of power consumption by the bulbs when (i) all are glowing and (ii) in the situation when two from section $A$ and one from section $B$ are glowing, will be

1 $9: 4$
2 $1: 2$
3 $2: 1$
4 $4: 9$
NEET National-2019
Current Electricity

152503 An inverter battery operates on $24 \mathrm{~V}$ and has negligible internal resistance. It is rated at 140 ampere-hour. What external resistance would have to be connected to the battery if it were to be discharged in 14 hours

1 $1.6 \Omega$
2 $2.4 \Omega$
3 $5.9 \Omega$
4 $10.0 \Omega$
AMU-2018
Current Electricity

152504 Two identical cells each of emf $E$ and internal resistance $r$ are connected in parallel with an external resistance $R$. To get maximum power developed across $R$, the value of $R$ is

1 $\mathrm{R}=\mathrm{r} / 2$
2 $\mathrm{R}=\mathrm{r}$
3 $\mathrm{R}=\mathrm{r} / 3$
4 $\mathrm{R}=2 \mathrm{r}$
Join With Us for More Updates
Current Electricity

152500 A fuse wire of radius $0.2 \mathrm{~mm}$ blows off with a current of $5 \mathrm{~A}$. The fuse wire of same material but of radius $0.3 \mathrm{~mm}$ will blow off with a current of

1 $\frac{15}{2} \mathrm{~A}$
2 $\frac{5 \sqrt{3}}{2} \mathrm{~A}$
3 $5 \sqrt{\frac{27}{8}} A$
4 \(5 \mathrm{~A}\)
AP EAMCET (20.04.2019) Shift-1
Current Electricity

152502 Six similar bulbs are connected as shown in the figure with a DC source of emf $E$ and zero internal resistance. The ratio of power consumption by the bulbs when (i) all are glowing and (ii) in the situation when two from section $A$ and one from section $B$ are glowing, will be

1 $9: 4$
2 $1: 2$
3 $2: 1$
4 $4: 9$
NEET National-2019
Current Electricity

152503 An inverter battery operates on $24 \mathrm{~V}$ and has negligible internal resistance. It is rated at 140 ampere-hour. What external resistance would have to be connected to the battery if it were to be discharged in 14 hours

1 $1.6 \Omega$
2 $2.4 \Omega$
3 $5.9 \Omega$
4 $10.0 \Omega$
AMU-2018
Current Electricity

152504 Two identical cells each of emf $E$ and internal resistance $r$ are connected in parallel with an external resistance $R$. To get maximum power developed across $R$, the value of $R$ is

1 $\mathrm{R}=\mathrm{r} / 2$
2 $\mathrm{R}=\mathrm{r}$
3 $\mathrm{R}=\mathrm{r} / 3$
4 $\mathrm{R}=2 \mathrm{r}$
For More Updates join with Us
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