A battery of emf E and internal resistance r is connected to a variable resistor R as shown in the figure. which one of the following is true? A. ptential difference across the terminals of the battery is maximum when R=rB. Powerr delivered to the resistor is maximum when R=rC. Current in the circuit is maximum when R=rD. Current in the circuit is maximum when `R gt gt r`.

A battery of emf E and internal resistance r is connected to a variabl

1.	A battery of emf E and internal resistance r is connected to a variable resistor R as shown in the figure. which one of the following is true? A. ptential difference across the terminals of the battery is maximum when R=rB. Powerr delivered to the resistor is maximum when R=rC. Current in the circuit is maximum when R=rD. Current in the circuit is maximum when `R gt gt r`.
Answer» Correct Answer - C

Discussion

No Comment Found

Related InterviewSolutions

Which of the following lanthanoids show `+2` oxidation state besides the characteristic oxidation state +3 of lanthanoids?A. `Ce`B. `Eu`C. HoD. None of these
`XeO_(2)F_(2)` is obtained by partial hydrolysis ofA. `XeOF_(4)`B. `XeF_(6)`C. both (a) and (b)D. None of these
What should be the correct IUPAC name for diethylbromomethane?A. 1-bromo-1,1-diethyl methaneB. 3-bromo pentaneC. 1-bromo-1-ethyl propaneD. 1-bromo pentane
In the extraction of `Cu` the reaction takes place Bessemer converter is:A. `2Cu_(2)O+Cu_(2)S to 6Cu+SO_(2)`B. `2CuFeS_(2)+O_(2) to Cu_(2)S+FeS+SO_(2)`C. `2Cu_(2)S+3O_(2)to2Cu_(2)O+2SO_(2)`D. `2FeS+3O_(2)to2FeO+2SO_(2)`.
Which of the following ligand has lowest `Delta_(0)` value?A. `CN^(-)`B. `CO`C. `F^(-)`D. `NH_(3)`
At what temperature will most probable speed of the molcules of the second number of alkyne series be the same as that of `SO_(2)` at `527^(@)C`?A. `347^(@)C`B. `227^(@)C`C. `800^(@)C`D. `254^(@)C`
What type of linkage is present in `S_(2)O_(3)^(2-)`?A. S-S linkageB. S-O linkageC. both (a) and (b)D. None of these
What is the correct order of reactivity of alcohols in the following reaction ? `R-OH+HCIoverset(ZnCI_(2))rarrR-CI+H_(2)O`A. `1^(@) gt 2^(@) gt 3^(@)`B. `1^(@) lt 2^(@) gt 3^(@)`C. `3^(@) gt 2^(@) gt 1^(@)`D. `3^(@) gt 1^(@) gt 2^(@)`.
An element of group 2 forms covalent oxide, which is amphoteric ini nature and dissolves in water to give an amphoteric hydroxide. Identify the element.A. BerylliumB. MagnesiumC. CalciumD. Barium
The standard reduction potential for `Fe^(2+)//Fe and Sn^(2+)//Sn` electrodes are -0.44 and -0.14V respectively. For the givenn cell reaction, `Fe^(2+)+Sn to Fe+SN^(2+)`, the standard EMF isA. 0.42 VB. `-0.42V`C. `-0.30V`D. `-1.10V`

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment