152184
The equivalent resistance between points $A$ and $B$ in the given network is:
1 $65 \Omega$
2 $20 \Omega$
3 $5 \Omega$
4 $2 \Omega$
Explanation:
C $\mathrm{R}_{\mathrm{AB}}=5 \Omega$
Shift-II]
Current Electricity
152185
Three resistors having resistances $r_{1}, r_{2}$ and $r_{3}$ are connected as shown in the given circuit. The ratio $\frac{i_{3}}{i_{1}}$ of currents in terms of resistances used in the circuit is
B Given that, Apply current division rule $\begin{aligned} & \mathrm{i}_{3}=\frac{\mathrm{r}_{2}}{\mathrm{r}_{2}+\mathrm{r}_{3}} \mathrm{i}_{1} \\ & \frac{\mathrm{i}_{3}}{\mathrm{i}_{1}}=\frac{\mathrm{r}_{2}}{\mathrm{r}_{2}+\mathrm{r}_{3}} \end{aligned}$
NEET-2021
Current Electricity
152186
The effective resistance of a parallel connection that consists of four wires of equal length, equal area of cross-section and same material is $0.25 \Omega$. What will be the effective resistance if they are connected in series?
1 $0.25 \Omega$
2 $0.5 \Omega$
3 $1 \Omega$
4 $4 \Omega$
Explanation:
D We know that Therefore, $\quad \mathrm{R}=\frac{\mathrm{r}}{4}$ $\begin{aligned} & \mathrm{r}=4 \mathrm{R} \\ & \mathrm{r}=4 \times .25=1 \Omega \end{aligned}$ When connection is in series $\mathrm{R}_{\mathrm{eq}}=1+1+1+1=4 \Omega$
NEET-2021
Current Electricity
152187
Find the resistance of a cube of edge $60 \mathrm{~cm}$, made of material of specific resistance $60 \times 10^{-8} \Omega \mathrm{m}$.
152184
The equivalent resistance between points $A$ and $B$ in the given network is:
1 $65 \Omega$
2 $20 \Omega$
3 $5 \Omega$
4 $2 \Omega$
Explanation:
C $\mathrm{R}_{\mathrm{AB}}=5 \Omega$
Shift-II]
Current Electricity
152185
Three resistors having resistances $r_{1}, r_{2}$ and $r_{3}$ are connected as shown in the given circuit. The ratio $\frac{i_{3}}{i_{1}}$ of currents in terms of resistances used in the circuit is
B Given that, Apply current division rule $\begin{aligned} & \mathrm{i}_{3}=\frac{\mathrm{r}_{2}}{\mathrm{r}_{2}+\mathrm{r}_{3}} \mathrm{i}_{1} \\ & \frac{\mathrm{i}_{3}}{\mathrm{i}_{1}}=\frac{\mathrm{r}_{2}}{\mathrm{r}_{2}+\mathrm{r}_{3}} \end{aligned}$
NEET-2021
Current Electricity
152186
The effective resistance of a parallel connection that consists of four wires of equal length, equal area of cross-section and same material is $0.25 \Omega$. What will be the effective resistance if they are connected in series?
1 $0.25 \Omega$
2 $0.5 \Omega$
3 $1 \Omega$
4 $4 \Omega$
Explanation:
D We know that Therefore, $\quad \mathrm{R}=\frac{\mathrm{r}}{4}$ $\begin{aligned} & \mathrm{r}=4 \mathrm{R} \\ & \mathrm{r}=4 \times .25=1 \Omega \end{aligned}$ When connection is in series $\mathrm{R}_{\mathrm{eq}}=1+1+1+1=4 \Omega$
NEET-2021
Current Electricity
152187
Find the resistance of a cube of edge $60 \mathrm{~cm}$, made of material of specific resistance $60 \times 10^{-8} \Omega \mathrm{m}$.
152184
The equivalent resistance between points $A$ and $B$ in the given network is:
1 $65 \Omega$
2 $20 \Omega$
3 $5 \Omega$
4 $2 \Omega$
Explanation:
C $\mathrm{R}_{\mathrm{AB}}=5 \Omega$
Shift-II]
Current Electricity
152185
Three resistors having resistances $r_{1}, r_{2}$ and $r_{3}$ are connected as shown in the given circuit. The ratio $\frac{i_{3}}{i_{1}}$ of currents in terms of resistances used in the circuit is
B Given that, Apply current division rule $\begin{aligned} & \mathrm{i}_{3}=\frac{\mathrm{r}_{2}}{\mathrm{r}_{2}+\mathrm{r}_{3}} \mathrm{i}_{1} \\ & \frac{\mathrm{i}_{3}}{\mathrm{i}_{1}}=\frac{\mathrm{r}_{2}}{\mathrm{r}_{2}+\mathrm{r}_{3}} \end{aligned}$
NEET-2021
Current Electricity
152186
The effective resistance of a parallel connection that consists of four wires of equal length, equal area of cross-section and same material is $0.25 \Omega$. What will be the effective resistance if they are connected in series?
1 $0.25 \Omega$
2 $0.5 \Omega$
3 $1 \Omega$
4 $4 \Omega$
Explanation:
D We know that Therefore, $\quad \mathrm{R}=\frac{\mathrm{r}}{4}$ $\begin{aligned} & \mathrm{r}=4 \mathrm{R} \\ & \mathrm{r}=4 \times .25=1 \Omega \end{aligned}$ When connection is in series $\mathrm{R}_{\mathrm{eq}}=1+1+1+1=4 \Omega$
NEET-2021
Current Electricity
152187
Find the resistance of a cube of edge $60 \mathrm{~cm}$, made of material of specific resistance $60 \times 10^{-8} \Omega \mathrm{m}$.
152184
The equivalent resistance between points $A$ and $B$ in the given network is:
1 $65 \Omega$
2 $20 \Omega$
3 $5 \Omega$
4 $2 \Omega$
Explanation:
C $\mathrm{R}_{\mathrm{AB}}=5 \Omega$
Shift-II]
Current Electricity
152185
Three resistors having resistances $r_{1}, r_{2}$ and $r_{3}$ are connected as shown in the given circuit. The ratio $\frac{i_{3}}{i_{1}}$ of currents in terms of resistances used in the circuit is
B Given that, Apply current division rule $\begin{aligned} & \mathrm{i}_{3}=\frac{\mathrm{r}_{2}}{\mathrm{r}_{2}+\mathrm{r}_{3}} \mathrm{i}_{1} \\ & \frac{\mathrm{i}_{3}}{\mathrm{i}_{1}}=\frac{\mathrm{r}_{2}}{\mathrm{r}_{2}+\mathrm{r}_{3}} \end{aligned}$
NEET-2021
Current Electricity
152186
The effective resistance of a parallel connection that consists of four wires of equal length, equal area of cross-section and same material is $0.25 \Omega$. What will be the effective resistance if they are connected in series?
1 $0.25 \Omega$
2 $0.5 \Omega$
3 $1 \Omega$
4 $4 \Omega$
Explanation:
D We know that Therefore, $\quad \mathrm{R}=\frac{\mathrm{r}}{4}$ $\begin{aligned} & \mathrm{r}=4 \mathrm{R} \\ & \mathrm{r}=4 \times .25=1 \Omega \end{aligned}$ When connection is in series $\mathrm{R}_{\mathrm{eq}}=1+1+1+1=4 \Omega$
NEET-2021
Current Electricity
152187
Find the resistance of a cube of edge $60 \mathrm{~cm}$, made of material of specific resistance $60 \times 10^{-8} \Omega \mathrm{m}$.
152184
The equivalent resistance between points $A$ and $B$ in the given network is:
1 $65 \Omega$
2 $20 \Omega$
3 $5 \Omega$
4 $2 \Omega$
Explanation:
C $\mathrm{R}_{\mathrm{AB}}=5 \Omega$
Shift-II]
Current Electricity
152185
Three resistors having resistances $r_{1}, r_{2}$ and $r_{3}$ are connected as shown in the given circuit. The ratio $\frac{i_{3}}{i_{1}}$ of currents in terms of resistances used in the circuit is
B Given that, Apply current division rule $\begin{aligned} & \mathrm{i}_{3}=\frac{\mathrm{r}_{2}}{\mathrm{r}_{2}+\mathrm{r}_{3}} \mathrm{i}_{1} \\ & \frac{\mathrm{i}_{3}}{\mathrm{i}_{1}}=\frac{\mathrm{r}_{2}}{\mathrm{r}_{2}+\mathrm{r}_{3}} \end{aligned}$
NEET-2021
Current Electricity
152186
The effective resistance of a parallel connection that consists of four wires of equal length, equal area of cross-section and same material is $0.25 \Omega$. What will be the effective resistance if they are connected in series?
1 $0.25 \Omega$
2 $0.5 \Omega$
3 $1 \Omega$
4 $4 \Omega$
Explanation:
D We know that Therefore, $\quad \mathrm{R}=\frac{\mathrm{r}}{4}$ $\begin{aligned} & \mathrm{r}=4 \mathrm{R} \\ & \mathrm{r}=4 \times .25=1 \Omega \end{aligned}$ When connection is in series $\mathrm{R}_{\mathrm{eq}}=1+1+1+1=4 \Omega$
NEET-2021
Current Electricity
152187
Find the resistance of a cube of edge $60 \mathrm{~cm}$, made of material of specific resistance $60 \times 10^{-8} \Omega \mathrm{m}$.
