v38

Write each of the following decimals as fractions.Reduce the fractions to lowest form: 0.04 (ii) 2.34 (iii) 0.3421.20 (v) 17.38

In the following APs, find the missing terms in the boxes : (i) 2,square,26 (ii) square,13,square,3 (iii) 5,square,square,(1)/(2) (iv) -4,square,square,square,square,6 (v) square,38,square,square,square,-22

A 10 V cell of neglible internal resitsance is connected in parallel across a battery of emf 200 V and internal resistance 38 Omega as shown in the figure. Find the value of current in the circuit.

Which of the following netals wil be deposited first when a solution containing 0.1 mol/litre of each of AgNO_(3) , Ca(NO_(3))_(2) , and Mg(NO_(3))_(2) is electrolysed by using inert electrodes ? It is given that E_((Ag))^(@)=+0.80 V, E_((Cu))^(@)=0.34V, E_((Ni))^(@) =-0.25V "and" E_((Mg))^(@) =-2.38 V .

According to the tabulated standard reduction potentials {:(Mg^(2+)(aq)+2e^(-)rarrMg(s),E^(@)=-2.38V),(2H_(2)O(l)+2e^(-)rarrH_(2)(g)+2OH^(-)(aq),E^(@)=-0.83),(Br_(2)(l)+2e^(-)rarr2Br^(-)(aq),E^(@)=0.53V),(O_(2)(g)+4H^(+)(aq)rarr2H_(2)O(l)rarr,E^(@)=1.23V):} What products are formed during the electrolysis of an aqueous MgBr_(2) solution?

The third proportional to 38 and 15 is (15xx15)/(38) b.(38xx15)/(2) c.(38xx38)/(1) d.(15)/(38xx38)

A 10 V battery of negilgible internal resistance is connected across a 200V battery and a resistance of 38 Oemga as shown in figure. . Find the value of current in the circuit.