Combination of Resistors
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PHXII03:CURRENT ELECTRICITY

356919 Two wires of same dimension but resistivities \({\rho _1}\;and\;{\rho _2}\) are connected in series. The equivalent resistivity of the combination is:

1 \(\sqrt {{\rho _1}{\rho _2}} \)
2 \(\frac{1}{2}\left( {{\rho _1} + {\rho _2}} \right)\)
3 \(2\left( {{\rho _1} + {\rho _2}} \right)\)
4 \({\rho _1} + {\rho _2}\)
PHXII03:CURRENT ELECTRICITY

356920 If the wire has resistivity per unit area of cross-section, the resistance between \(A\) and \(B\) is
supporting img

1 \(\frac{{\rho l}}{{\sqrt 2 }}\)
2 \(\sqrt 2 \rho l\)
3 \(2\rho l\)
4 None of these
PHXII03:CURRENT ELECTRICITY

356921 The resistance between the points \({A}\) and \({B}\) in the circuit shown is
supporting img

1 \({4 \Omega}\)
2 \({6 \Omega}\)
3 \({10.5 \Omega}\)
4 \({12.6 \Omega}\)
PHXII03:CURRENT ELECTRICITY

356922 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
supporting img

1 \(\frac{{{r_2}}}{{{r_2} + {r_3}}}\)
2 \(\frac{{{r_1}}}{{{r_1} + {r_2}}}\)
3 \(\frac{{{r_2}}}{{{r_1} + {r_3}}}\)
4 \(\frac{{{r_2}}}{{{r_2} + {r_3}}}\)
NEET - 2021
PHXII03:CURRENT ELECTRICITY

356923 The equivalent resistance between the points \(A\) and \(B\) in the following circuit is
supporting img

1 \(3.12 \Omega\)
2 \(1.56 \Omega\)
3 \(6.24 \Omega\)
4 \(12.48 \Omega\)
NEET DIGITAL LIBRARY
PHXII03:CURRENT ELECTRICITY

356919 Two wires of same dimension but resistivities \({\rho _1}\;and\;{\rho _2}\) are connected in series. The equivalent resistivity of the combination is:

1 \(\sqrt {{\rho _1}{\rho _2}} \)
2 \(\frac{1}{2}\left( {{\rho _1} + {\rho _2}} \right)\)
3 \(2\left( {{\rho _1} + {\rho _2}} \right)\)
4 \({\rho _1} + {\rho _2}\)
PHXII03:CURRENT ELECTRICITY

356920 If the wire has resistivity per unit area of cross-section, the resistance between \(A\) and \(B\) is
supporting img

1 \(\frac{{\rho l}}{{\sqrt 2 }}\)
2 \(\sqrt 2 \rho l\)
3 \(2\rho l\)
4 None of these
PHXII03:CURRENT ELECTRICITY

356921 The resistance between the points \({A}\) and \({B}\) in the circuit shown is
supporting img

1 \({4 \Omega}\)
2 \({6 \Omega}\)
3 \({10.5 \Omega}\)
4 \({12.6 \Omega}\)
PHXII03:CURRENT ELECTRICITY

356922 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
supporting img

1 \(\frac{{{r_2}}}{{{r_2} + {r_3}}}\)
2 \(\frac{{{r_1}}}{{{r_1} + {r_2}}}\)
3 \(\frac{{{r_2}}}{{{r_1} + {r_3}}}\)
4 \(\frac{{{r_2}}}{{{r_2} + {r_3}}}\)
NEET - 2021
PHXII03:CURRENT ELECTRICITY

356923 The equivalent resistance between the points \(A\) and \(B\) in the following circuit is
supporting img

1 \(3.12 \Omega\)
2 \(1.56 \Omega\)
3 \(6.24 \Omega\)
4 \(12.48 \Omega\)
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PHXII03:CURRENT ELECTRICITY

356919 Two wires of same dimension but resistivities \({\rho _1}\;and\;{\rho _2}\) are connected in series. The equivalent resistivity of the combination is:

1 \(\sqrt {{\rho _1}{\rho _2}} \)
2 \(\frac{1}{2}\left( {{\rho _1} + {\rho _2}} \right)\)
3 \(2\left( {{\rho _1} + {\rho _2}} \right)\)
4 \({\rho _1} + {\rho _2}\)
PHXII03:CURRENT ELECTRICITY

356920 If the wire has resistivity per unit area of cross-section, the resistance between \(A\) and \(B\) is
supporting img

1 \(\frac{{\rho l}}{{\sqrt 2 }}\)
2 \(\sqrt 2 \rho l\)
3 \(2\rho l\)
4 None of these
PHXII03:CURRENT ELECTRICITY

356921 The resistance between the points \({A}\) and \({B}\) in the circuit shown is
supporting img

1 \({4 \Omega}\)
2 \({6 \Omega}\)
3 \({10.5 \Omega}\)
4 \({12.6 \Omega}\)
PHXII03:CURRENT ELECTRICITY

356922 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
supporting img

1 \(\frac{{{r_2}}}{{{r_2} + {r_3}}}\)
2 \(\frac{{{r_1}}}{{{r_1} + {r_2}}}\)
3 \(\frac{{{r_2}}}{{{r_1} + {r_3}}}\)
4 \(\frac{{{r_2}}}{{{r_2} + {r_3}}}\)
NEET - 2021
PHXII03:CURRENT ELECTRICITY

356923 The equivalent resistance between the points \(A\) and \(B\) in the following circuit is
supporting img

1 \(3.12 \Omega\)
2 \(1.56 \Omega\)
3 \(6.24 \Omega\)
4 \(12.48 \Omega\)
For More Updates join with Us
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PHXII03:CURRENT ELECTRICITY

356919 Two wires of same dimension but resistivities \({\rho _1}\;and\;{\rho _2}\) are connected in series. The equivalent resistivity of the combination is:

1 \(\sqrt {{\rho _1}{\rho _2}} \)
2 \(\frac{1}{2}\left( {{\rho _1} + {\rho _2}} \right)\)
3 \(2\left( {{\rho _1} + {\rho _2}} \right)\)
4 \({\rho _1} + {\rho _2}\)
PHXII03:CURRENT ELECTRICITY

356920 If the wire has resistivity per unit area of cross-section, the resistance between \(A\) and \(B\) is
supporting img

1 \(\frac{{\rho l}}{{\sqrt 2 }}\)
2 \(\sqrt 2 \rho l\)
3 \(2\rho l\)
4 None of these
PHXII03:CURRENT ELECTRICITY

356921 The resistance between the points \({A}\) and \({B}\) in the circuit shown is
supporting img

1 \({4 \Omega}\)
2 \({6 \Omega}\)
3 \({10.5 \Omega}\)
4 \({12.6 \Omega}\)
PHXII03:CURRENT ELECTRICITY

356922 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
supporting img

1 \(\frac{{{r_2}}}{{{r_2} + {r_3}}}\)
2 \(\frac{{{r_1}}}{{{r_1} + {r_2}}}\)
3 \(\frac{{{r_2}}}{{{r_1} + {r_3}}}\)
4 \(\frac{{{r_2}}}{{{r_2} + {r_3}}}\)
NEET - 2021
PHXII03:CURRENT ELECTRICITY

356923 The equivalent resistance between the points \(A\) and \(B\) in the following circuit is
supporting img

1 \(3.12 \Omega\)
2 \(1.56 \Omega\)
3 \(6.24 \Omega\)
4 \(12.48 \Omega\)
NEET DIGITAL LIBRARY
PHXII03:CURRENT ELECTRICITY

356919 Two wires of same dimension but resistivities \({\rho _1}\;and\;{\rho _2}\) are connected in series. The equivalent resistivity of the combination is:

1 \(\sqrt {{\rho _1}{\rho _2}} \)
2 \(\frac{1}{2}\left( {{\rho _1} + {\rho _2}} \right)\)
3 \(2\left( {{\rho _1} + {\rho _2}} \right)\)
4 \({\rho _1} + {\rho _2}\)
PHXII03:CURRENT ELECTRICITY

356920 If the wire has resistivity per unit area of cross-section, the resistance between \(A\) and \(B\) is
supporting img

1 \(\frac{{\rho l}}{{\sqrt 2 }}\)
2 \(\sqrt 2 \rho l\)
3 \(2\rho l\)
4 None of these
PHXII03:CURRENT ELECTRICITY

356921 The resistance between the points \({A}\) and \({B}\) in the circuit shown is
supporting img

1 \({4 \Omega}\)
2 \({6 \Omega}\)
3 \({10.5 \Omega}\)
4 \({12.6 \Omega}\)
PHXII03:CURRENT ELECTRICITY

356922 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
supporting img

1 \(\frac{{{r_2}}}{{{r_2} + {r_3}}}\)
2 \(\frac{{{r_1}}}{{{r_1} + {r_2}}}\)
3 \(\frac{{{r_2}}}{{{r_1} + {r_3}}}\)
4 \(\frac{{{r_2}}}{{{r_2} + {r_3}}}\)
NEET - 2021
PHXII03:CURRENT ELECTRICITY

356923 The equivalent resistance between the points \(A\) and \(B\) in the following circuit is
supporting img

1 \(3.12 \Omega\)
2 \(1.56 \Omega\)
3 \(6.24 \Omega\)
4 \(12.48 \Omega\)