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Two springs of spring constants k and 2k are connected in series. A mass m is attached to the combination. What is the time period of oscillation?
Two identical springs are connected in series. The effective spring constant of the combination is:
Two identical springs, each with spring constant , are connected in series. What is the effective spring constant of the combination?
A spherical capacitor with inner radius 'a' and outer radius 'b' is filled with a dielectric of permittivity . A second spherical capacitor with inner radius 'b' and outer radius 'c' is filled with a dielectric of permittivity . If these two capacitors are connected in series, what is the equivalent capacitance of the combination?
\frac{8\pi\epsilon abc}{2b^2 - 3ab + ac}
\frac{4\pi\epsilon abc}{2b^2 - ab + ac}
\frac{8\pi\epsilon abc}{b^2 - 2ab + 2ac}
\frac{4\pi\epsilon abc}{b^2 - ab + c}
Two springs with spring constants and are connected in series. What is the effective spring constant of the combination?
Two identical parallel plate capacitors are connected in series. The combination is then connected to a battery. If one of the capacitors is filled with a dielectric material of dielectric constant , how does the total capacitance change?
Increases
Decreases
Remains the same
Becomes zero
Two capacitors of capacitance and are connected in series. What is the equivalent capacitance?
Two capacitors of and are connected in series. What is the equivalent capacitance?
When capacitors are connected in series, the equivalent capacitance is ______ the smallest individual capacitance.
larger than
smaller than
equal to
unrelated to
